ECG Basics & Fundamentals: the sensitive vs. specific definitions for low voltage QRS complexes and differentials that cause them

ECG Weekly Workout with Dr. Amal Mattu


A 66-year-old woman presents to the emergency department with a few days of midsternal chest pain that is sharp and non-radiating. She is noted to have mild dyspnea on exertion without vomiting or diaphoresis. Today her chest heaviness and dyspnea worsened at rest. The following ECG was obtained:

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

  1. What ECG abnormalities do you notice?
  2. What is your differential diagnosis for the ST segment and T wave abnormalities seen?
  3. What is the diagnosis and treatment?