Dr. Smith's ECG Blog

APRIL 2, 2024

Medics found him in ventricular fibrillation. He was defibrillated, but they also noticed that he was being internally defibrillated and then found that he had an implantable ICD. He was unidentified and there were no records available After 7 shocks, he was successfully defibrillated and brought to the ED.

Tachycardia 128

Tachycardia Pacemaker Cardiac Arrest Cardiomyopathy 128

Circulation

NOVEMBER 11, 2024

We describe a case of ventricular pacemaker spikes delivered on the T wave causing PMVT.Case:A 53-year-old female with CAD s/p stent, postpartum cardiomyopathy s/p Bi-V CRT-D (Boston Scientific G124), and paroxysmal atrial fibrillation presented for elective endoscopy and colonoscopy to evaluate her dysphagia and abdominal pain.

Tachycardia 40

Tachycardia Pacemaker Defibrillator Atrial Fibrillation 40

Dr. Smith's ECG Blog

SEPTEMBER 16, 2024

Note: Due to the limited number of normally conducted beats — it is hard to be sure whether the underlying rhythm is sinus with baseline artefact or atrial fibrillation. After resuscitation and defibrillation , there were no more episodes of TdP. Below is the patient’s 12 lead ECG following defibrillation.

Cardiac Arrest 67

Cardiac Arrest Cardiomyopathy Arrhythmia Atrial Fibrillation 67

Dr. Smith's ECG Blog

OCTOBER 23, 2023

She was successfully revived after several rounds of ACLS including defibrillation and amiodarone. Conduction and refractoriness alternans may be seen with WPW-related as well as AV Nodal-dependent reentr y tachycardias — atrial fibrillation — acute pulmonary embolus — myocardial contusion — and severe LV dysfunction.

Tachycardia 120

Tachycardia Cardiac Arrest ICU Blog 120