ACLS pharmacology with real test.

ACLS pharmacology with real test. 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? - correct answers.0.5 mg When can you use magnesium in cardiac arrest? - correct less 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? - correct answers.Seek expert consultation A patient with possible ST-segment elevation MI has ongoing chest discomfort. What is a containdication to the administration of nitrates? - correct answers.Phosphodiesterase inhibitor within 12 hours In which situation does bradycardia require treatment? - correct ension You patient has been intubated. IV/IO access is not available. Which combination of drugs can be administered by the endotracheal route? - correct answers.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? - correct answers.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? - correct answers.Second dose of epinephrine 1 mg