Dr. Smith's ECG Blog

OCTOBER 23, 2023

T-wave alternans and the susceptibility to ventricular arrhythmias. Chronic amiodarone evokes no torsade de pointes arrhythmias despite QT lengthening in an animal model of acquired long-QT syndrome. Alternation in ST segment appearance ( or in the amount of ST elevation or depression ) — is often linked to ischemia. 2017.3191.

Tachycardia 131

Tachycardia Cardiac Arrest ICU Blog 131

Dr. Smith's ECG Blog

FEBRUARY 6, 2024

The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. ECG of pneumopericardium and probable myocardial contusion shows typical pericarditis Male in 30's, 2 days after Motor Vehicle Collsion, complains of Chest Pain and Dyspnea Head On Motor Vehicle Collision. ST depression.

Tachycardia 115

Tachycardia Dysrhythmia Atrial Fibrillation Bradycardia 115

Dr. Smith's ECG Blog

AUGUST 8, 2020

Haven't you been taught that this favors pericarditis? Weren't you taught that concave morphology favors pericarditis? Weren't you taught that "new tall T wave in V1" is concerning for ischemia, and so this is the opposite? Expert ECG interpretation can often distinguish normal variant STE from OMI from pericarditis.

Pericarditis 52

Pericarditis STEMI Chest Pain Arrhythmia 52

Dr. Smith's ECG Blog

NOVEMBER 25, 2022

He has a family history concerning for arrhythmia. Given the circumstances of his car crash, we presume it was due to an underlying arrhythmia. He has a family history concerning for arrhythmia with his father requiring some sort of device (PPM, ICD, unclear) at a young age. ST depression. Myocardial Contusion?

Arrhythmia 52

Arrhythmia Blog Chest Pain Cardiac Arrest 52

Dr. Smith's ECG Blog

NOVEMBER 28, 2022

The second most common cause of medical cardiac tamponade is acute idiopathic pericarditis. Less common etiologies include uremia, bacterial or tubercular pericarditis, chronic idiopathic pericarditis, hemorrhage, and other causes such as autoimmune diseases, radiation, myxedema, etc.

Tachycardia 40

Tachycardia Pericarditis Ultrasound Blood Pressure 40

Dr. Smith's ECG Blog

OCTOBER 8, 2023

Remember, in diffuse subendocardial ischemia with widespread ST-depression there may b e ST-E in lead s aVR and V1. There are well formed R-waves with good voltage/amplitude which is uncommon for ischemia. The ECG does not show any signs of ischemia. True Positive ECG#2 : Also sinus rhythm. There is ST depression in V1.

Ischemia 123

Ischemia Chest Pain Cardiogenic Shock Cardiac Arrest 123

All About Cardiovascular System and Disorders

OCTOBER 26, 2023

This is the proposed mechanism of precipitation of arrhythmias in Brugada syndrome during febrile episodes. There is a potential risk for drug challenge in that life threatening ventricular arrhythmias could be precipitated. This leads to shortening of action potential duration. With proper precautions, risk can be reduced.

Sudden Cardiac Death 52

Sudden Cardiac Death Atrial Fibrillation Electrophysiology Arrhythmia 52