AND VERIFIED ANSWERS|100%
CORRECT|GRADE A+ 2024
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