Differential Diagnoses

Differential Diagnoses: considerations in patients with syncope

ECG Basics & Fundamentals: a 5 step approach to ECG interpretation and how to think of differential diagnoses

HPI: A 70-year-old man presents with generalized malaise. He has a history of ESRD and has missed dialysis this week. The following ECG is obtained: Case ECG   Before watching…

Differential Diagnoses: diffuse ST segment elevations

Differential Diagnoses: short PR intervals and a review of the Lown-Ganong-Levine (LGL) syndrome

HPI: A 65-year-old male presented to the ED with arm pain after a fall. He was found to have a humerus fracture. The following ECG was done in search of…

Differential Diagnoses: new T wave inversions in the anteroseptal leads

Differential DIagnoses: low voltage QRS and sinus tachycardia

Differential Diagnoses: new onset seizures

HPI:  A 33-year-old female presents with new onset seizures. The following ECG is done. Case ECG  

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…