Chest Pain and Sudden Cardiac Death - Cardiovascular Update

VF arrest at home, no memory of chest pain. Angiography non-diagnostic. Does this patient need an ICD? You need all the ECGs to know for sure.

Dr. Smith's ECG Blog

JUNE 23, 2024

He did not remember whether he had experienced any chest pain. This is a critically important determination because of the 2017 AHA/ACC/HRS Guidelines for Management of Patients with Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death. However, he did not remember much from the day of the arrest.

Chest Pain

Chest Pain Cardiac Arrest Sudden Cardiac Death Blog

Understanding the Difference Between Heart Attack and Cardiac Arrest

MIBHS

MARCH 31, 2025

Unlike a heart attack, cardiac arrest is an electrical malfunction that causes the heart to stop beating suddenly. Without immediate intervention, sudden cardiac death can occur within minutes. Without prompt treatment, parts of the heart muscle may become damaged or die.

Cardiac Arrest

Cardiac Arrest Heart Attack Heart attacks Chest Pain

A teenager with chest pain, a troponin below the limit of detection, and "benign early repolarization"

Dr. Smith's ECG Blog

JANUARY 9, 2023

No prior exertional complaints of chest pain, dizziness, lightheadedness, or undue shortness of breath. No family history of sudden cardiac death, cardiomyopathy, premature CAD, or other cardiac issues. He denied headache or neck pain associated with exertion. No similar symptoms in the past.

Chest Pain

Chest Pain Aneurysm STEMI Thrombosis

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Clinical presentations leading to arrhythmogenic left ventricular cardiomyopathy

Open Heart

APRIL 20, 2022

Clinical contexts leading to diagnosis were SCD in 3 (6%), ventricular arrhythmias in 15 (29%), chest pain in 8 (15%), heart failure in 6 (12%) and familial screening in 20 (38%). Significant right ventricular involvement was an exclusion criterion.

Cardiomyopathy

Cardiomyopathy Chest Pain Sudden Cardiac Death Heart Failure

A man in his 70s with weakness and syncope

Dr. Smith's ECG Blog

JULY 22, 2023

Written by Pendell Meyers A man in his 70s with no cardiac history presented with acute weakness, syncope, and fever. He denied chest pain or shortness of breath. In the clinical context of weakness and fever, without chest pain or shortness of breath, the likelihood of Brugada pattern is obviously much higher.

Chest Pain

Chest Pain Heart Rhythm Sudden Cardiac Death Dysrhythmia

Ventricular hypertrophy in a young weightlifter

Heart BMJ

JANUARY 10, 2024

An adult patient presented with palpitations, chest pain and reduced exertional capacity for 3 years. There was no family history of cardiovascular disease or sudden cardiac death. Previously, the patient was an amateur weightlifter who used anabolic steroids but had ceased supplements 3 years before admission.

Sudden Cardiac Death

Sudden Cardiac Death Chest Pain Blood Pressure Laboratory

Ninerafaxstat Well-Tolerated and Safe for Nonobstructive Hypertrophic Cardiomyopathy

DAIC

APRIL 9, 2024

It causes the heart muscle to become stiff and thick, making it harder for the heart to pump blood properly and increasing the risk of sudden cardiac death. HCM is the most common genetic heart disease worldwide and is estimated to affect 1 in 500 people.

Cardiomyopathy

Cardiomyopathy Quality of Life Chest Pain Preserved Ejection Fraction

Sildenafils effectiveness in the primary coronary slow flow phenomenon: a pilot randomised controlled clinical trial

Open Heart

AUGUST 25, 2024

Background On the one hand, the primary coronary slow flow phenomenon (CSFP) can cause recurrence of chest pain, prompting medical examinations and further healthcare costs, while on the other hand, it can lead to myocardial infarction, ventricular arrhythmia and sudden cardiac death.

Sudden Cardiac Death

Sudden Cardiac Death Angina Chest Pain Myocardial Infarction

Hypertropic Cardiomyopathy: A Board Review Question Explained By Video

BoardVitals - Cardiovascular

MAY 1, 2017

He has never had any chest pain. It is crucial for every medical physician to recognize patients who are at risk of sudden cardiac death due to their underlying medical condition. He has no known prior medical history and does not take any medications. He takes occasional multivitamins.

Cardiomyopathy

Cardiomyopathy Sudden Cardiac Death Bicuspid/Mitral Electrocardiogram

What kind of AV block is this? And why does she develop Ventricular Tachycardia?

Dr. Smith's ECG Blog

JANUARY 23, 2024

There was no chest pain. The granulomatous inflammation affects the heart, causing an infiltrative cardiomyopathy The most common manifestations of cardiac sarcoidosis are atrioventricular (AV) block and ventricular tachyarrhythmias (VT). This was written by Magnus Nossen The patient is a female in her 50s.

Tachycardia

Tachycardia Arrhythmia Heart Disease Sudden Cardiac Death

American College of Cardiology (ACC) and American Heart Association (AHA) Issue New Hypertrophic Cardiomyopathy (HCM) Management Guidelines

DAIC

MAY 9, 2024

New HCM Guidelines Updated recommendations in the guideline reflect recent evidence about HCM treatment and management including new forms of pharmacologic management; participation in vigorous recreational activities and competitive sports; and risk stratification for sudden cardiac death (SCD) with an emphasis on pediatric patients.

Cardiomyopathy

Cardiomyopathy Pediatrics Quality of Life Sudden Cardiac Death

Brugada Syndrome

All About Cardiovascular System and Disorders

MARCH 28, 2024

Transcript of the video: Brugada Syndrome was described by Brugada brothers in 1992 as right bundle branch block pattern in anterior leads with ST segment elevation and syncope or sudden cardiac death and it was later in 1998, that the genetic basis of the disease was identified, with mutations in sodium channel.

Sudden Cardiac Death

Sudden Cardiac Death Defibrillator Arrhythmia Atrial Fibrillation

Continuous prolonged generalized weakness, lightheadedness, and presyncope. What might you suspect from the ECG?

Dr. Smith's ECG Blog

OCTOBER 28, 2023

There was some dyspnea but no chest pain. HCM is estimated to occur in ~1 in 500 young adults , making it among the most common inherited cardiac disorders. A young man presented with continuous prolonged generalized weakness, lightheadedness, and presyncope. Here is his ECG. This shows LVH, with high voltage.

Preserved Ejection Fraction

Preserved Ejection Fraction Sudden Cardiac Death Heart Failure Chest Pain

Hyperthermia and ST Elevation

Dr. Smith's ECG Blog

JANUARY 30, 2019

It was from a patient with chest pain: Note the obvious Brugada pattern. 2017 AHA/ACC/HRS guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. The elevated troponin was attributed to either type 2 MI or to non-MI acute myocardial injury.

Heart Rhythm

Heart Rhythm Sudden Cardiac Death Arrhythmia STEMI

QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Dr. Smith's ECG Blog

NOVEMBER 24, 2017

the optimum QT correction formula for patients with chest pain was found to be unique for each individual ; it is a correction factor that can be calculated real-time for each patient by taking multiple measurements over a range of heart rates. Other Research: According to this study b y Batchvarov et al. ,

Bradycardia

Bradycardia Article Atrial Fibrillation Chest Pain

Vaccine myocarditis update: Exploring the link between vaccine myocarditis and sudden cardiac death

Dr. Anish Koka

DECEMBER 12, 2022

While there are case reports of severe fulminant heart failure and death, the overwhelming majority of patients appear to be able to go home a few days after presentation. The pathological findings are visually fairly obvious - pink healthy cardiac tissue with islands of darkly staining immune cells associated with cell necrosis (death).

Sudden Cardiac Death

Sudden Cardiac Death Chest Pain Hospital Heart Failure

Inferior ST elevation with reciprocal change: which of these 4 patients has Occlusion MI?

Dr. Smith's ECG Blog

MAY 23, 2022

Patient 2 : 55 year old with 5 hours of chest pain radiating to the shoulder, with nausea and shortness of breath ECG: sinus bradycardia, normal conduction, normal axis, normal R wave progression, no hypertrophy. This was missed by the treating physician, but the chest pain resolved with aspirin.

Chest Pain

Chest Pain Pericarditis STEMI Arrhythmia

A young F is hyperthermic, delirious, and dry: Fever-induced Brugada? Diphenhydramine toxicity? Tricyclic?

Dr. Smith's ECG Blog

DECEMBER 5, 2019

The patient denied any chest pain whatsoever, and a troponin at zero and 2 hours were both undetectable. A bedside cardiac ultrasound revealed grossly normal to hyperdynamic systolic function with no obvious areas of wall motion abnormalities. Types 2 and 3 have been merged into Type 2 and look substantially different.

Sudden Cardiac Death

Sudden Cardiac Death Heart Rhythm Article Tachycardia

A 50-something man with Chest pain at triage

Dr. Smith's ECG Blog

JANUARY 13, 2025

A 50-something male presented to triage with chest pain for one day. A Chest X-ray showed infiltrates. Thus, another etiology of chest pain is found, and the fever suggests "fever-induced Brugada." Unexplained cardiac arrest or documented VF/polymorphic VT: +3 3. The temperature was 39.5 Family History 3.a.

Chest Pain

Chest Pain Cardiac Arrest Ischemia Sudden Cardiac Death

Patient is informed of her husband's death: is it OMI or it stress cardiomyopathy?

Dr. Smith's ECG Blog

MARCH 8, 2025

He had no chest pain, dyspnea, or any other anginal equivalent, and his vital signs were normal. The cardiologist thought she had stent thrombosis which is possible, but I do not necessarily think is sufficient to explain her complete hemodynamic collapse.

Cardiomyopathy

Cardiomyopathy Myocardial Infarction Defibrillator Bradycardia

VF arrest at home, no memory of chest pain. Angiography non-diagnostic. Does this patient need an ICD? You need all the ECGs to know for sure.

Understanding the Difference Between Heart Attack and Cardiac Arrest

A teenager with chest pain, a troponin below the limit of detection, and "benign early repolarization"

Webinars

Clinical presentations leading to arrhythmogenic left ventricular cardiomyopathy

A man in his 70s with weakness and syncope

Ventricular hypertrophy in a young weightlifter

Ninerafaxstat Well-Tolerated and Safe for Nonobstructive Hypertrophic Cardiomyopathy

Sildenafils effectiveness in the primary coronary slow flow phenomenon: a pilot randomised controlled clinical trial

Hypertropic Cardiomyopathy: A Board Review Question Explained By Video

What kind of AV block is this? And why does she develop Ventricular Tachycardia?

American College of Cardiology (ACC) and American Heart Association (AHA) Issue New Hypertrophic Cardiomyopathy (HCM) Management Guidelines

Brugada Syndrome

Continuous prolonged generalized weakness, lightheadedness, and presyncope. What might you suspect from the ECG?

Hyperthermia and ST Elevation

QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Vaccine myocarditis update: Exploring the link between vaccine myocarditis and sudden cardiac death

Inferior ST elevation with reciprocal change: which of these 4 patients has Occlusion MI?

A young F is hyperthermic, delirious, and dry: Fever-induced Brugada? Diphenhydramine toxicity? Tricyclic?

A 50-something man with Chest pain at triage

Patient is informed of her husband's death: is it OMI or it stress cardiomyopathy?

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