Welcome to Ask MAC

Ask MAC is a tool aimed at providing paramedics with an opportunity to find question and answers related to the medical directives, challenging or unique calls, or other relevant topics for discussion.

All answers provided on Ask MAC have been reviewed by and reflect the opinions of the Medical Directors within the Southwest Ontario Regional Base Hospital Program (SWORBHP).

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  • Question: This question may be a very rare situation but I have not been able to get an answer from any paramedics I have asked. As per the “Patching” section in the introduction of the ALS PCS the literature states “BHP cannot be reached despite reasonable attempts by the paramedic to establish contact, a paramedic may initiate the required treatment without the requisite online authorization if the patient is in severe distress and, in the paramedics opinion, the medical directive would otherwise apply”. In a situation where a cardioversion is required and the unstable patient is still conscious, it is fairly common practice to ask for sedation and pain control (i.e. Morphine/Midazolam) along with orders for cardioversion. If multiple BH patches cannot be completed and in the paramedics opinion cardioversion is required for the unstable but conscious patient, are we able to administer sedation and pain control? I ask this because there is not a directive that directly deals with pain and sedation prior to delivering the cardioversion, but is common to ask for such direction.

    Published On: July 7, 2017
  • Question: I have a question about the benefits between using MDI vs. nebulized ventolin. I understand the direction is to use MDI as the preferred route. It certainly makes sense with anybody who is infectious but seems counterintuitive when you could be administering drug with oxygen at the same time as with the case of nebulization. There is also a perceived psychological benefit when patients can feel and see the mist. I have heard about studies that were done at Sick Kids to support MDI use. I was unable to locate them. Is there any other evidence you can suggest as to why MDI is the preferred route? Thank you so much for your time.

    Published On: May 18, 2017
  • Question: How many analyses would you perform on a patient who is VSA following a drowning. Is it considered special circumstances, should the patient be transported after one analysis? Or should we transport after the first rhythm that doesn’t result in a defibrillation? How many shocks total if patient stays in a shockable rhythm (4 max or more)?

    Published On: May 18, 2017
  • Question: Can calcium gluconate be given through a CVAD? The patients requiring it (usually dialysis patients) often have difficult IV access, unstable veins and some sort of CVAD in place. If access of the CVAD for administration of fluids and cardiac arrest meds has already been performed, are we still required to start an IO for the calcium gluconate or can it be requested of the BHP to administer through the CVAD with proper flushing before and after?

    Published On: May 18, 2017
  • Question: Pushing a dose epinephrine seems to be very popular in the FOAM world for emergency physician. Its use has been promoted for things such as post cardiac arrest, refractory anaphylaxis, and severe bradycardia (some strong pharmacology reasons supporting it over atropine have been presented). Is this something you see being added to the advanced care paramedic treatment options at some point?

    Published On: April 13, 2017
  • Question: When attending to a medical VSA, where our monitor energy settings are preprogrammed (120J, 150J, 200J, 200J), if I happen to dump the first charge (non-shockable rhythm), should my second charge be at 120J or 150J? This second charge would be the first shock (assuming shockable rhythm), but the second analysis.

    Published On: April 13, 2017
  • Question: While enroute to the emergency department with a VSA patient, if your patient presents in shockable rhythm (either new, or still in a shockable rhythm), can we continue to shock the patient without pulling over? My understanding of the reason for stopping was because we used to use semi-automated systems, and we did not want false interpretations based on artifact. But, if we are now interpreting the rhythm, and determine that it is a shockable rhythm, not artifact while in transit, shouldn’t we be shocking?

    The OBHG companion document states to stop when enroute using semi-automated system, no wording on manual defibrillation.

    Published On: April 13, 2017
  • Question: Hello, When a crew arrives on scene and finds a patient VSA, the ALS and BLS Standards require CPR per the HSFO guidelines at 30:2. When considering that there is strong evidence showing high quality CPR is the most important care to impact patient survival, my question revolves around what care or priorities should be considered when there are just the 2 paramedics on scene awaiting additional crews or resources.

    The questions specifically are:

    1) While Early defib, high-quality CPR and BVM ventilation’s are a must, should an IV and medications be attempted with such limited resources? In attempting to do so, there is strong likelihood of compromising the quality of CPR because the compressor is doing about 2 compressions a second, and the 2nd medic is ventilating about every 15 seconds, thus making it next to impossible to perform any other tasks without diluting the CPR quality. This should the early defib, High-quality CPR and BVM ventilation’s be the only focus until more resources show up, or should the IV and medication process be attempted to satisfy the requirements of the directive, even if doing so will compromise the CPR quality?

    2) In regard to #1 above, when working in a rural setting, in which allied resources can sometimes take upwards of 20 minutes to arrive on scene, how does this play into the care?

    3) As a given, I would love to be able to meet all the requirements of the ACP Cardiac arrest directive effectively, but with only 2 paramedics on scene the problem is there is just so much to do, and with quality of CPR and ventilation’s/ETCO2 being able to be monitored and recorded, you can either violate the directive to maintain high-quality CPR, or risk having this data show your CPR quality was not great but got “everything done”. Which is the preferred method of care?

    4) While there is evidence supporting that CPR saves lives, is there any strong evidence supporting that the IV/Meds and the Advanced airways lead to better patient survival?

    Published On: April 13, 2017
  • Question: I am just wondering if ASA is contraindicated for patients taking Pradaxa?

    Published On: April 13, 2017
  • Question: Can you give Ketorolac to a HTN patient (180 systolic)? The PCP directive states Normotension.

    Published On: February 13, 2017
  • Question: We were presented with a patient on scene who stated she had fallen 2 hours prior. The fall was due to a slip on the ice. There was no LOC, no head injuries or any other neuro deficits. The patients vitals weren’t abnormal and was in a mild state of distress on scene. The only injuries noted were some wrist and knee pain, where there was no obvious deformity or injuries evident but stated both as 7/10 pain. She also mentioned her back was in moderate pain from the fall as well. My partner and I were unsure of whether to provide symptom relief for pain management. Yes there is trauma to 2 different extremities but it was the simultaneous back pain that threw a twist in, as the directive states that the patient must have “isolated hip or extremity trauma.” We were minutes from the hospital and I did ask the patient if the pain was tolerable until we got to the hospital where they would provide more effective pain management, but for future reference it would be nice to no! t have to think twice if put in this particular situation again.

    Published On: February 13, 2017
  • Question: The IV Therapy Medical Directive lists hypotension as a required indication for a fluid bolus. In pediatric medicine, blood pressure is rarely used alone as an indication of perfusion and tends more to rely on looking at the overall presentation including: level of awareness/activity, heart rate, capillary refill etc.

    If presented with a child who is: irritable, tachycardic (or bradycardic for that matter), with delayed cap refill, and decreased urine output, but is not hypotensive (<5th percentile), is it permissible to administer a fluid bolus?

    Published On: December 22, 2016
  • Question: If a patient is presenting with signs and symptoms of hypoglycemia (confusion, diaphoresis, pallor, tachycardia, etc.) and you find them with a BG of 4.5mmol/L, but family on scene states their normal BG is over 12mmol/L, and that they are presenting as they typically do when their blood sugar is low, AND you cannot identify from assessment/history any other reason for their current presentation, is it advised to give them oral glucose at this point if they are able to swallow?

    Published On: December 22, 2016
  • Question: Some years ago during a recert in the fall a question was posed regarding administering a nebulized treatment of ventolin to a patient who otherwise would not tolerate an MDI but also had a fever above 38C (all other conditions met). The question was answered by stating if all attempts fail for use of the MDI, a nebulized treatment could be administered if all droplet precautions were taken (N95 worn, gown worn closed window to cab area, goes without saying truck disinfected). Is this in fact the case? (Updated)

    Published On: September 29, 2016
  • Question: In a patient presenting with respiratory distress, crackles and a relevant cardiac history, I would assume that left ventricular failure/infarct would be a fair working assessment. If 12-lead indicated LV involvement occurring with hypotension that would place the Cardiogenic Shock and CPAP Directives out of parameters.

    Crackles = no bolus, hypotension = no CPAP. Other than vitals/cardiac monitoring, oxygenation/ventilatory support as needed, it seems like a situation such as this one may limit pre-hospital management, as far as a PCP scope goes. Any comments or suggestions?

    Published On: September 29, 2016
  • Question: How is the DNR standard in the BLS PCS reconciled with this statement in the ALS PCS: “if a paramedic is aware or is made aware that the person has a prior capable wish with respect to treatment, they must respect that wish (for example, if the person does not wish to be resuscitated).”

    Obviously the ideal situation is that the patient has the DNR confirmation form and there are no issues. The issue comes up with regards to verbal DNRs issued by a capable patient or SDM (that are reasonable), or in such cases where the patient has a DNR, living will or other advanced directive that specifies the patients wishes, but no prehospital DNR form. Is this form not redundant provided there is a reasonable indication that the patient does not wish to be resuscitated or have aggressive life sustaining therapies delivered?

    How can the BLS PCS DNR standard be reconciled with the ALS PCS regarding honouring a prior capable wish when the provider is made aware of such wish (provided its reasonable)? Especially given that in nearly ever other case, a directive in the ALS PCS over-rides the BLS-PCS. Given that this issue is not nearly as cut and dry in reality, or in any other healthcare setting, as it seems to be made out to be in EMS in this province what is the situation with regards to this? Especially given that end-of-life issues are increasingly common, the issue is not going to disappear. There are many other provinces that use a similar wording or philosophy to that mentioned in the ALS-PCS under consent and capacity.

    Published On: September 29, 2016
  • Question: I was faced the other day with a question by one of my fellow peers in regards to the administration of nitroglycerine. As a contraindication, it states that we cannot administer nitro of the SBP drops by one third or more of its initial value after nitro is administered. This can be interpreted in 2 different ways, as brought to my attention by my fellow peer so now ever since, I second guess myself. So my question is, this “initial value,” is it the very first BP we take even before the first dose of nitro, or is it referring to the initial BP you take AFTER the first dose of nitro. It is such a simple answer I am sure but if I can get clarification so I can also relay the message to my fellow peer that would be great.

    Published On: September 29, 2016
  • Question: When administering a fluid bolus, are we to give the full bolus amount (i.e. 1000ml for a 50kg patient) reassessing for fluid overload or return to TKVO when the BP reaches 100mmHg or greater? Given so much fluid shifts, administering the full bolus when no fluid overload is present (either 10 or 20ml/kg), particularly with the septic or preload dependent patient would be beneficial.

    Published On: September 29, 2016
  • Question: In the setting of an adult who has extremity trauma with severe pain and has vomited along with nausea, could this patient receive dimenhydrinate with ketorolac?

    Published On: September 29, 2016
  • Question: Is daily, low dose ASA considered towards ‘NSAID use in the past 6 hours,’ as per the Adult Analgesia Medical Directive?

    Published On: September 29, 2016
  • Question: Under the Analgesia & Moderate to Severe Pain Protocol. What is the definition of cancer pain? And if they fall under the guidelines of cancer pain, what kind of relief would a half dose of Ketorolac provide seeing as they are probably on much stronger medications?

    Published On: September 29, 2016
  • Question: In regards to the adult analgesia medical directive, it states “in patients with isolated hip or extremity trauma, ibuprofen and acetaminophen are preferred to ketorolac except where the patient is unable to tolerate oral medications.” It is my understanding that together, they provide similar pain relief to ketorolac. If the patient is in severe pain, but is unable to take acetaminophen due to a contraindication (ex. due to having taken some in the past 4 hours), is it appropriate to administer ketorolac instead? Or is it still preferred to administer just the Ibuprofen at this point.

    Published On: September 29, 2016
  • Question: I was going over the CPAP standing order today and would like clarification on whether the contraindication “Major trauma or burns to the head or torso” only means for a new occurrence or does it also include persons with prior existing major trauma or burns to head and torso?

    Published On: June 20, 2016
  • Question: In regards to the CPAP medical directive, it states in the ALS PCS Companion document that CPAP is the treatment for Acute Pulmonary Edema (REGARDLESS of origin). Does this mean that the cause does not need to be cardiogenic in nature? Could you please elaborate on this?

    Published On: June 20, 2016
  • Question: If a person have a near fresh water (lake water) drowning and Spo2 <90 % severe SOB, and by auscultating lungs I hear Crackles all over the places mainly on lower lobes tachypnea and normotensive. As per CPAP protocol: indication severe respiratory distress and signs and/ or symptoms of Acute pulmonary edema or COPD is the indication, and patient is above 18years and no contraindication met, can I apply CPAP on this patient ? If not please tell me why and I know Nitro is not applicable in this case because this is not a cariogenic pulmonary edema.

    Published On: June 20, 2016
  • Question: As per the question posted Feb 5th, 2014, if the FD shocks a patient prior to our arrival, we may count that shock into our protocol assuming we deem their care to adhere to AHA guidelines. In that setting, do we dial up to our second shock dose, or start at our first shock dose and dial up appropriately after that?

    Published On: June 20, 2016
  • Question: After the recent introduction of Narcan for PCPs, I’m still a little confused about the role of Narcan in an arrest. The 2010 AHA Guidelines state there is no role for Naloxone in cardiac arrest but the 2015 Guidelines are less prohibitive, leaving some room for interpretation. I understand that where there is question whether the patient is pulseless or not, there is a role for naloxone in the setting of presumed opioid overdose but what is the direction of base hospital for the use of naloxone where there is definite absence of vital signs in the setting of a PCP-only arrest. Is it the expectation of the base hospital that PCPs attempt to administer naloxone at some point during that call? If so, when during the cardiac arrest protocol? On scene or en route to hospital?

    Published On: June 20, 2016
  • Question: I am a ACP student and was discussing among my colleagues the proper time frame for vitals and drug administration for morphine and NTG in the cardiac ischemia medical directive. I understand that each drug has a 5 minute intervals but someone had mentioned that you could stagger both drugs in 5 minute intervals, for example after administering a third NTG wait 5 minutes then morphine then wait 5 minutes then NTG etc. I was wondering what the preferred interval for vital signs and drug administration would be with two drugs staggered at 5 minute intervals.

    Published On: June 20, 2016
  • Question: My question is regarding fluid bolus for DKA. There seems to be varying belief on whether or not a DKA patient must be hypotensive to administer a bolus. There is no specific language that I can find addressing bolus protocol for DKA other than the mandatory BHP patch point if the suspected DKA pt is 2-12yrs old, but this is listed under the NaCl fluid bolus protocol where hypotension is a condition for treatment. Just looking for a little clarification on the entire DKA bolus protocol.

    Published On: June 20, 2016
  • Question: The PCP adult analgesia directive is for “isolated extremity injuries”, if there’s more than one injury is it a contraindication? For example, burns to more than one location (shoulder and a portion of the ant chest) or an ankle and a knee injury.

    Published On: June 20, 2016
  • Question: In Ask MAC it states : “As for Ketorolac, daily ASA is not considered anticoagulation therapy as it affect platelet function and does not result in a true anticoagulated state.” So PLAVIX (clopidogrel) is also affect platelet function, even though ASA affects the cyclooxygenase 1 (COX-1) pathway, and PLAVIX affect the adenosine diphosphate (ADP) pathway, still I think both PLAVIX and ASA affect platelet function . And I think daily dose of PLAVIX also not a true anti-coagulated state and Ketorolac is not contra-indicated. Please let me know if I am right or wrong by those explanations.

    Published On: June 20, 2016
  • Question: If a pediatric patient is significantly larger than expected (for example, a 6 year old female who weighs 120lbs), do we still use the pediatric dosing chart OR calculation OR adult settings? Personally, if I’d done this call today, I probably would have chosen to use the pediatric calculations of 2J/kg then 4J/kg etc.

    i.e.: If using peds dosing chart, this 6 year old would only get a shock of 50J 100J 100J 100J

    i.e.: If using peds calculation, she would receive 110J 220J 220J 220J

    i.e.: If using adult settings, she would receive 200J 300J 360J 360J

    Published On: December 17, 2015
  • Question: If you have a ROSC and the patient re-arrests and is now in a shockable rhythm do you shock at the next highest setting or do you revert back to 200 joules?For example, if one shock delivered on scene for an adult at 200J, then ROSC, then rearrest – next shock (as I suggest) would be 300J.

    Published On: December 17, 2015
  • Question: Under the Adult Analgesia Medical Directive, it indicates that for Mild-Moderate Pain, Acetaminophen and Ibuprofen should be considered. If the pain is mild-severe pain than ketorolac should be considered. If a patient is reporting severe pain as a result of isolated hip or extremity trauma, and the MOI is consistent with severe pain, does this mean that only ketorolac should be considered, regardless of the patients ability to tolerate oral medications?
    The way that I read this is that Acetaminophen and Ibuprofen would not be indicated if the pain is severe.

    Published On: December 17, 2015
  • Question: Just to clarify about Ketorolac. The indications states localized hip OR extremity trauma. Are we to interpret this as isolated (single) hip AND isolated (single) extremity trauma? For example, if an old lady has fallen and broken both wrists, can we administer Toradol?

    Published On: December 17, 2015
  • Question: Would it be a waste of a paramedics time to deliver Salbutamol through a BVM to an unconscious patient while setting up for Epi in the case of an Asthma or anaphylaxis? Would the OPA if used, not block the mist and prevent inhalation? To me, Epi administration (scenario dependent) would be the priority. Thanks

    Published On: October 23, 2015
  • Question: A patient meets the Croup Medical Directive but has a fever, do you give Epi via nebulizer or not? I thought in the past this was dealt with but I am not able to source this through the Ask MAC website.

    Published On: October 23, 2015
  • Question: In the situation of being an ACP making a rendezvous with a PCP crew to assist on a medical cardiac arrest patient that they already initiated transport with and did not arrest on route, would you suggest once we make patient contact to administer 3 EPI q4/lidocaine or amio/saline bolus (depending on rhythms), BHP patch and then continue transport or continue transport and administer epi q4 until transfer of core or ROSC? There seems to be different opinions about this in my service. I appreciate you taking the time to answer.

    Published On: October 23, 2015
  • Question: With the expansion of Analgesia/pain relief being delivered to all paramedics. Is there going to be an addition to the standing order for the expansion of Ketorolac to the pediatric population either for ACP or PCP?

    Published On: October 23, 2015
  • Question: A patient is presenting with pulmonary edema. Patient became more symptomatic before calling and dyspnea worsened. Upon gathering history and taking vitals, they meet the criteria for Nitro and CPAP. The patient is currently prescribed Lasix for fluid in the lungs from doctor visit one week ago.

    With the history of pulmonary edema and being prescribed Lasix for fluid in the lungs, would this now be considered Non-Acute Pulmonary Edema?

    I need a better understanding of Acute Pulmonary Edema vs. Non-Acute Pulmonary Edema. The CPAP protocol indication lists: Suspected Acute Pulmonary Edema.

    Since the pulmonary edema is non-acute would CPAP and Nitro be withheld? Or, since the symptoms have worsened, provided I can recognize a patient that is truly in need of CPAP and Nitro, would I administer them? I want to clarify – thanks.

    Published On: July 23, 2015
  • Question: Is it advised that when a patient is not adequately perfusing but still technically with a pulse, that CPR be commenced? In discussing this with my colleagues, we are speaking in regards to a patient who may technically still have an idioventricular or agonal pulse and is circling the drain. Instead of waiting the 30 sec-1 min for the patient to be completely VSA, would it not be better to get on the chest and begin compressions in an attempt at increasing perfusion?

    Published On: June 4, 2015
  • Question: My question is in regards to the Cardiac Ischemia protocol. I am currently a PCP student and we had a chest pain call. The patient was complaining of chest discomfort and described it as a pressure starting sub-sternal and going to patients left shoulder. The patient was also experiencing SOB. This pain was a 6/10 when it first came on and went down to a 5/10 with relaxation. The patient did not have a history of angina but had received NTG in the hospital a couple years before and did not know the why. The patient did not have NTG on their own list of meds. We gave 2 81mg ASA and did a 12-lead which was negative for a right ventricular infarct. My preceptor did establish an IV and got a line started set at TKVO before we gave the NTG.

    The question is even though the patient did not have NTG on their own med list at the time of the call; does the time the patient was in hospital and was given NTG count as prior history for the Cardiac Ischemia protocol?

    I did see a related question on the site but it was related to a doctor giving the NTG before EMS arrival and it was stated that it should be prescribed. So does that mean it has to be a current prescription or can a patient have it in the hospital and it count? I know it does not matter after you get an IV establish but if we weren’t able to get an IV established then would we have been able to give it?

    Published On: April 10, 2015
  • Question: I have been talking with my paramedic colleagues and I am wondering about the role of CPAP and aspiration. My understanding of the Medical Directive is that CPAP is not indicated for pneumonia or aspiration but rather severe SOB from either COPD or pulmonary edema. Can you please clarify the role of CPAP for respiratory distress patients with either pneumonia or aspiration as the underlying precipitating factor for their SOB?

    Published On: February 18, 2015
  • Question: When managing a cardiac arrest as a PCP and following the Medical Cardiac Arrest Medical Directive, if the patient does not qualify for a TOR (shock delivered, ROSC obtained at some point etc.), why is it required to patch to the BHP (Mandatory Provincial Patch Point) for authorization to transport when it is clear that transport is the only option?

    Published On: February 18, 2015
  • Question: My question relates to analgesia that I can provide patients as an ACP. If I have a patient that meets the indications and conditions for Morphine or Fentanyl under the ACP Core Pain Medical Directive, and if the patients discomfort is improving with the administration of the above narcotic analgesic, is it a requirement that I must proceed to administer Ketorolac?

    Published On: February 18, 2015
  • Question: There was a question posted in January 2012 that asked if CO poisoning leading from VSA would be considered an unusual circumstance and whether performing one analysis and transporting would be acceptable. Medical Councils answer was that this would be analogous to an asphyxial cardiac arrest such as a drowning and hanging. In these cases, the SWORBHP Medical Directors have preferred that the Medical Cardiac Arrest Medical Directive be followed.

    This question was asked a long time ago, however, during one of my Base Hospital training sessions, I was told by an Educator that CO (it specifically said) does fall under an “unusual circumstance” and therefore you would transport after the first analysis leading to a NO SHOCK ADVISED.

    Can you clarify what should be done?

    Published On: January 12, 2015
  • Question: Your partner is preparing O2, obtaining vitals and attaching the monitor for a chest pain patient. You are performing a primary survey, gathering your SAMPLE Hx, ruling the patient in protocol for ASA, giving the ASA and doing the same for Nitro. Vitals are obtained 3-4 minutes earlier than the Nitro administration.

    From past experience and following the protocol which states vitals q5 min, nitro q5 min and vitals must be obtained within 5 minutes of medication delivery, is this improper as 3 minutes has lapsed prior to the nitro administration? I have been informed that past deactivation has resulted from this?

    Published On: January 12, 2015
  • Question: A question arose today after a call where a patient clearly did not meet the protocol for Ketorolac. Upon reviewing the contraindications for this protocol, what exactly are being considered to be NSAIDs? The MEDList on the website included Ibuprofen, Naproxen, Celebrex, etc. but what about ASA? Tylenol? Excedrin? I was under the impression that both ASA and Tylenol were considered NSAIDs? My partner and I could not come to a conclusion and wanted further clarification.

    Published On: January 12, 2015
  • Question: My question is in regards to pneumonia and continuous positive airway pressure (CPAP). Bacterial infections are a common trigger for chronic obstructive pulmonary disease (COPD) exacerbations.

    If we have a patient who has possibly developed a pneumonia (isolated crackles mid lobe in one lung, low grade fever, purulent sputum) but is in respiratory distress with a history of COPD and is showing signs of a COPD exacerbation (decreased breath sounds in bases, showing signs of hypoxia, accessory muscle use, tachypnea, mild diffuse exp wheezes), are we not to treat with CPAP and just use bronchodilators and high flow O2? Thank you!

    Published On: December 3, 2014
  • Question: How often should you reassess the respiratory rate for apneic patients?

    Published On: December 3, 2014