QRS > 120ms, broad notched R-waves in lateral leads (I, aVL, V5, V6), and deep S-waves in V1-V3. Hemiblocks: Diagnosed primarily by axis. Left Anterior Hemiblock presents with extreme LAD (-45° to -90°). 4. Ischemia and Infarction (The "Big One")
A 62‑year‑old male presents with sudden onset chest pain radiating to the left arm. ECG shows: Ecg Academy Level 2 Final Exam Answers
Memorize "I see all leads" (I, II, III, aVR, aVL, aVF) to quickly locate ischemia. QRS > 120ms, broad notched R-waves in lateral
A) STEMI B) NSTEMI C) Unstable angina D) Pericarditis QRS > 120ms