A 44-year-old woman presents to the emergency department with vague complaints about shortness of breath. The following ECG is obtained at triage and brought to you for interpretation:
Key Points Definition: Extreme right axis deviation refers to the QRS axis being between -90° and 180°. Common Causes: Ventricular ectopy, dextrocardia, chronic lung disease (e.g., COPD), pulmonary hypertension, and left…