Differential Diagnoses: the most likely causes of a prolonged QT interval

A 70-year-old woman presents to the ED with upper abdominal pain and vague paresthesias. The following ECG is obtained:

Generalized weakness with biphasic T waves in the anterior leads

A young man presents to the ED with generalized weakness. The following ECG is obtained:

Bradyarrhthmias: considerations in unstable patients with discussion on an important causes of refractory bradycardia

 A 42-year-old woman presents to the ED with decreased level of consciousness after a seizure. She has no obvious signs of trauma, and vitals signs are normal except for marked…

Wide Complex Tachycardias: considerations in unstable patients with discussion on an important VT mimic

A 78-year-old woman called EMS for palpitations and mild chest pressure. She was shocked 4 times prior to arrival for a wide complex tachycardia and waxing and waning mental status…

STAT ECG Diagnoses: can’t miss type of wide complex irregular tachycardia

A 37-year-old man is brought to the ED with episodes of palpitations. In the ED he has intermittent episodes of wide complex tachycardia. He is hemodynamically stable. The following ECG…

ECG Basics & Fundamentals: electrical cardioversion of an unstable regular wide complex tachycardia

A 50-year-old man is brought to the ED with a regular wide complex tachycardia (RWCT) shown below. He is pain free with a normal blood pressure and mental status. His…

Spooky cold ECG findings in a patient with altered mental status on halloween night

Differential Diagnoses: QT interval considerations in patients with palpitations

A 46-year-old man with PMHx of HTN presents to the ED with chest pain after smoking crack cocaine. The following ECG is obtained:

Refractory ischemic chest pain despite maximal medical management

STAT ECG Diagnoses: the most commonly missed STEMI does not have ST segment elevation

A 70-year-old man presents to the ED with radiating chest tightness, nausea, and diaphoresis. The following ECG is obtained:

STAT ECG Diagnoses: ST segment depression in precordial leads

A 52-year-old man with history of hyperlipidemia and smoking presents to the ED with 2 hours of radiating chest pressure associated with diaphoresis and dyspnea. The following ECG is obtained:

Literature Review: non-ST segment elevation ACS

A 69-year-old woman with history of diabetes presents to the ED with radiating chest pressure associated with diaphoresis. Her initial ECG did not meet cath lab criteria but had non-specific…

Differential DIagnoses: right axis deviation, prolonged QT interval, and a wide QRS

A 46-year-old man with no known past medical history presents to the ED with recurrent witnessed seizures, actively seizing. The seizures are not responding to treatment with benzodiazepines. The following…

STAT ECG Diagnoses: differential for ST segment depression in the anteroseptal leads

A 36-year-old woman with a past medical history of rheumatoid arthritis presents to the ED with 3 days of waxing and waning chest tightness. The pain is pleuritic and 4/10…

STAT ECG Diagnoses: considerations in hypotensive STEMI patients

A 72-year-old woman presents to the ED by EMS with chest pain. She was noted to have normal vital signs and an unremarkable physical exam and given aspirin and nitroglycerin…

Rhythm Interpretation: the importance of patient assessment in managing malignant arrhythmias

A 74-year-old woman presents to the ED with shortness of breath. She has been taking azithromycin for cough. The following ECG is obtained:

Literature in support of Sgarbossa criteria (Part 2/2)

 A 73-year-old man presents to the ED with acute chest pain and nausea. He has a history of heart disease and has a pacemaker. The following ECG is obtained:

Literature in support of Sgarbossa criteria (Part 1/2)

A 50-year-old man with a known left bundle branch block presents to the ED with acute chest pain. The following ECG is obtained:

Differential Diagnoses: QT interval considerations in patients with palpitations

A 54-year-old woman presents to the ED with lightheadedness, palpitations, muscle cramps, and upper extremity paresthesias. The following ECG is obtained:

ECG Basics & Fundamentals: A systematic approach to EGC interpretation and using differentials for ST segment elevation

A 61-year-old man presents to the ED with malaise, nausea and lightheadedness. The following ECG is obtained: