Differential Diagnoses

Differential Diagnoses: the main three things that cause narrow complex regular tachycardias

A 51-year-old man presents to the ED with generalized weakness and palpitations. The following prehospital ECG is obtained:

EMS ECGs: differentials to consider when dealing with ST elevation and right axis deviation in sick patients

A 26-year-old man presents to the ED with chest pain. The following prehospital ECG is obtained:

Differential DIagnoses: tall R wave in lead V1

An 80-year-old man is brought in by ambulance to the ED for chest pain and dyspnea. He looks sick on exam and is found to be hypotensive, tachycardic, and tachypneic….

ECG Basics & Fundamentals: differentials for left and right axis deviation, and how to identify fascicular blocks

Differential Diagnoses: prolonged QT and himalayan T waves

A 24-year-old man presents to the ED with diarrhea and dehydration. He is diagnosed with salmonella gastroenteritis and is found to have severe electrolyte abnormalities. The following ECG was obtained…

STAT ECG Diagnoses: must know ECG differentials in the evaluation of patients with altered mental status

A young woman presents to the ED unconscious with a GCS of 4. The following ECG was obtained during the initial evaluation:

Differential Diagnoses: supraventricular tachycardia with ST segment elevation in aVR

A 57-year-old woman presents to the ED with palpitations and dyspnea. She has a prior history of having an elevated heart rate but has never been formally diagnosed with any specific tachydysrhythmia. The…

Differential Diagnoses: is this ECG pattern consistent with ACS or is there something else it could be?

A 59-year-old male with a PMHx of a HTN and anxiety presents the ED for progressive dyspnea on exertion over the past few weeks. He denies pain and appears comfortable….

DIfferential Diagnoses: subtle but deadly causes of syncope to consider

A 56-year-old woman presents to the ED with chest pain and has a syncopal episode prior to arrival. She has a past medical history of hypertension, hyperlipidemia, is a smoker,…

Differential Diagnoses: life threatening causes of syncope

A 31-year-old woman presents to the ED after a syncopal episode. She reports feeling palpations daily for the past 1-2 weeks, but is now asymptomatic and well appearing. The following…

STAT ECG Diagnoses: post-cardiac arrest and syncope differentials you can’t miss

A 62-year-old male is being transported by EMS to the ED for acute onset chest pressure. He is noted to be hypotensive with a systolic blood pressure in the 50’s….

STAT ECG Diagnoses: post-cardiac arrest and syncope differentials you can’t miss

A 52-year-old African American male with no known past medical history is brought to the ED after resuscitated V. Fib arrest. A post arrest ECG after resuscitation is obtained:

Differential Diagnoses: right axis deviation in patients with syncope

HPI: A 49-year-old male with a history of chronic back pain presents to the ED with syncope. He describes 3 similar episodes over the past week with preceding dizziness. The…

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