ECG Basics & Fundamentals: low voltage QRS complexes and sinus tachycardia

ECG Weekly Workout with Dr. Amal Mattu


A 50-year-old woman has a syncopal episode as she is walking into her oncologist’s office. After her episode she states she feels unwell and has vague discomfort. The patient is slightly tachypneic, tachycardic, and hypotensive with a systolic BP in the 80’s. The following initial ECG is obtained:

Before watching this week’s video, ask yourself these questions:

  1. What ECG abnormalities do you notice?
  2. Are there any ECG signs suggestive of ACS or PE?
  3. What is the next best step in management?