…PCI). Prior to discharge, his left ventricular ejection fraction (LVEF) is estimated at 35% by echocardiography. He is initiated on optimal medical therapy. To determine…

…L) and a magnesium level of 1.5 mg/dL (normal: 1.7-2.2 mg/dL). Which of the following is the MOST appropriate…

…elevated (or uncertain) hs-cTn levels, no ECG changes, and no recurrence of pain, which test should be considered as part of the initial workup?

…presents with a 6-month history of progressive dyspnea on exertion, bilateral lower extremity edema, and fatigue. His past medical history is notable for bilateral…

…type 2 diabetes mellitus, and stage 3 chronic kidney disease (CKD) presents to the emergency department complaining of fatigue and mild dyspnea for the past…

Which of the following ECG characteristics is defining for a Brugada Type 1 pattern?

…his warfarin therapy. Over the past year, his target international normalized ratio (INR) has been 3.0 (range 2.5-3.5), and his time…

…suspects atrial flutter with 2:1 atrioventricular (AV) block and decides to administer intravenous adenosine to clarify the diagnosis. Which of the following is the…

2. Which of the following is the recommended compression depth for adult CPR?

A 68-year-old male with type 2 diabetes. Identify all abnormalities on the ECG. Click to zoom.

This 54-year-old patient with Covid-19 (Sars-Cov-2) has a slightly irregular rhythm. What is the rhythm and should you be concerned…

…a recent diagnosis of type 2 diabetes and a 20-year history of smoking experiences sudden, severe chest discomfort and a feeling of pressure on…