Can I attempt the Valsalva on a patient who has chest pain? What if the patient has a clear onset of palpitations, then after onset develops chest pain and or shortness of breath?

hello when treating a pt with adenosine the contra indications are active bronchial constriction on exam, the companion document also states that adenosine can cause bronchial constriction in asthmatic pts. so may question is … is an asthmatic pt contraindicated for adenosine tx or is more of a relative vs absolute situation

Given that rapid atrial fibrillation and other tachydysrhythmias can result from myocardial ischemia; is it wise to provide ASA to these patients as a precaution. I am a PCP, and we dont have a defined treatment for pulsed tachycardia.