ACLS pharmacology Exam Questions and Answers Graded A+

A patient with sinus bradycardia and a heart rate of 42 bpm has diaphoresis and a BP of 80/60 mm Hg. What is the initial dose of atropine? - ANSWER-0.5 mg When can you use magnesium in cardiac arrest? - ANSWER-pulseless VT associated with torsades de pointes A patient has a rapid irregular wide-complex tachycardia. The ventricular rate is 138/min. He is asymptomatic, with a blood pressure of 110/70 mm Hg. He has a history of angina. What should you do? - ANSWER-Seek expert consultation A patient with possible ST-segment elevation MI has ongoing chest discomfort. What is a containdication to the administration of nitrates? - ANSWER-Phosphodiesterase inhibitor within 12 hours In which situation does bradycardia require treatment? - ANSWER-hypotension You patient has been intubated. IV/IO access is not available. Which combination of drugs can be administered by the endotracheal route? - ANSWER-Lidocaine, epinephrine, vasopressin A patient is in cardiac arrest. Ventricular fibrillation has been refractory to a second shock. Which drug and dose should be administered first by the IV/IO route? - ANSWER-Epinephrine 1 mg A patient is in refractory ventricular fibrillation. High quality CPR is in progress, and shocks have been given. One dose of epinephrine was given after the second shock. An antiarrhythmic drug was given immediately after the third shock. What drug should the team leader request to be prepared for administration next? - ANSWER-Second dose of epinephrine 1 mg A 62 year old man suddenly experienced difficulty speaking and left-sided weakness. He was brought into the emergency department. He meets initial criteria for fibrinolytic therapy, and a CT scan of the brain is ordered. What are the guidelines for antiplatelet and fibrinolytic therapy? - ANSWER-Do not give ASA for at least 24 hours if rtPA is administered A patient is in pulseless ventricular tachycardia. Two shocks and 1 dose of epinephrine have been given. Which is the next drug/dose to anticipate to administer? - ANSWER-Amiodarone 300 mg