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

Dr. Smith's ECG Blog

OCTOBER 23, 2023

Edited by Bracey, Meyers, Grauer, and Smith A 50-something-year-old female with a history of an unknown personality disorder and alcohol use disorder arrived via EMS following cardiac arrest with return of spontaneous circulation. T-wave alternans and the susceptibility to ventricular arrhythmias. Pacing Clin Electrophysiol.

Tachycardia 123

Tachycardia Cardiac Arrest ICU Blood Pressure 123

Dr. Smith's ECG Blog

JANUARY 21, 2023

While traditionally described as “benign early repolarization”, they have been associated with J wave syndromes along with Brugada syndrome, causing ventricular arrhythmias (1, 2). Prominent J waves and ventricular fibrillation caused by myocarditis and pericarditis after BNT162b2 mRNA COVID-19 vaccination. J wave syndromes.

STEMI 52

STEMI Bradycardia Arrhythmia Cardiac Arrest 52

Dr. Smith's ECG Blog

OCTOBER 8, 2023

Smith: This bizarre ECG looks like a post cardiac arrest ECG with probable acidosis or hyperkalemia in addition to OMI. Bottom Line: Tests other than cardiac cath may be all that are needed to establish the diagnosis — but, I'd want to see a patient with this ECG as soon as would be possible. What was the pH and K?

Ischemia 112

Ischemia Chest Pain Cardiogenic Shock Cardiac Arrest 112

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 52

Tachycardia Pericarditis Ultrasound Blood Pressure 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