Differential Diagnoses

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Differential Diagnoses: Non-conducted P-waves (P:QRS > 1)

HPI:  A 92-year-old woman presents to the emergency department with lightheadedness. Case ECG   Before watching this week’s video, ask yourself these questions: Focus on the rate and rhythm, what…

Differential Diagnoses: the biggest reason we miss a diagnosis is that we make a diagnosis, and then stop looking

HPI:  An unresponsive 45-year-old male is brought in to your ED by ambulance. His wife found him unconscious at home and called 911. History is otherwise limited. Case ECG  

Differential Diagnoses: long QTc interval

HPI: 32-year-old female with PMHx of hyperthyroidism (on carbimazole) presents with jaundice and intermittent palpitations. She has mild RUQ abdominal pain, but is otherwise well. Vitals: HR~100, BP-130/70, RR-18, afebrile. Exam:…

Differential Diagnoses: how to use ECG differentials to clinch the diagnosis in sick patients

HPI: 64-year-old male smoker with a Hx of HTN, DM, COPD presents with lightheadedness and chest tightness. He has had flu like symptoms for the past week, that have been…

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