ECG Basics & Fundamentals: when to get posterior leads

A 70-year-old man presents to the ED with ischemic chest pain. The following ECG is obtained:

Wide Complex Tachycardias: ventricular tachycardia (VT) mimics

HPI:  A 71-year- old woman with PMHx of HTN and “irregular heart rhythm” presents to the ED with weakness, lightheadedness, and occasional palpitations. She does not know the name of her medications…

Post-cardiac arrest ECG: intracranial hemorrhage with elevated ICP

A 36-year-old male is brought to the ED by EMS after PEA cardiac arrest. History is limited but he is known to have visited the hospital one week ago with…

STAT ECG Diagnoses: regular wide complex tachycardia (RWCT) after succinylcholine?

A middle-age man presents to the ED with acute hypoxemic respiratory failure from multilobar pneumonia. He is intubated using etomidate and succinylcholine and noted to have a change in rhythm…

Literature Review: Arrhythmogenic Right Ventricular Dysplasia / Cardiomyopathy

A middle-age man presents to the ED after a syncopal episode while playing tennis. The following ECG is obtained:

STAT ECG Diagnoses: new T wave inversion or ST segment depression in aVL

A 66-year-old man presents to the ED with retrosternal chest pain that is associated with nausea. The following ECG is obtained:

ECG Basics & Fundamentals: chest pain in young patient with no known cardiac risk factors

A 35-year-old man with no PMHx presents to the ED with dull burning chest pain that radiates to his left arm. The following ECG is obtained:

Literature Review: 2014 AHA/ACC Guideline for the Management of Patients with Non-ST-Elevation Acute Coronary Syndromes (Class IA recommendations)

A 70-year-old woman with PMHx of HTN and DM, presents to the ED with retrosternal chest pain that radiates to her left arm. The following ECG is obtained:

Differential Diagnoses: over 15 causes of ST segment elevation…there is much more than STEMI

A 78-year-old woman with Alzheimer’s disease presents to the ED with dehydration and failure to thrive. She denies pain, diaphoresis, or dyspnea. The following ECG is obtained:

ECG Basics & Fundamentals: when a T wave inversion in lead aVL matters

A 45-year-old woman presents to the ED with severe heartburn. Her pain is associated with dyspnea and diaphoresis. The following ECG is obtained:

Differential Diagnoses: rollercoaster T waves

A 45-year-old woman presents to the ED with lethargy. BP = 100/50, HR = 60, RR= 12 & shallow. Her nurse thought her rhythm looked abnormal on the cardiac monitor…

Wide Complex Tachycardias: regular wide complex tachycardia (RWCT) vs. regular REALLY wide complex tachycardia (RRWCT)

A 70-year-old male presents to the ED with generalized weakness and dizziness. He is suspected to be in atrial fibrillation with a heart rate of ~ 150 bpm. He is…

Differential Diagnoses: must know causes of wide QRS complexes

A 15-year-old girl presents to the ED listless and tremulous. She is unable to provide a reliable history. Her heart rate is around 150 bpm and she is mildly tachypneic…

Differential Diagnoses: a 5 step approach to comprehensive ECG interpretation

A 46-year-old man presents to the ED with generalized weakness and body aches. He is noted to have normal vital signs. The following ECG is obtained:

EMS Cases: The definition of normal sinus rhythms and so much more!

A 89-year-old woman calls EMS for palpitations. The following ECG is obtained:

4 challenging EMS cases to help you nail the diagnosis

A 60-year-old male calls EMS for nausea and vomiting. He is found to be hypotensive in the field with a blood pressure of 75/40 mmHg. The following ECG is obtained:

Narrow vs. wide complex QRS in patients with complete heart block

A 86-year-old woman presents to the ED with generalized weakness. The following ECG is obtained:

Post-cardiac arrest ECGs: differential diagnoses to consider when dealing with non-conducted P waves

Differential Diagnoses: left axis deviation, fasicular block, and AV blocks

A 80-year-old woman presents to the ED for headache and hypertension. The following ECG is obtained:

Differential Diagnoses: fever and altered mental status

A 23-year-old woman presents to the ED with altered mental status and agitated delirium. She is noted to be tachycardic and febrile to 107F. The following ECG is obtained: