Ken Grauer, MD

JUNE 2, 2023

to 1828 msec. ) — which corresponds to a variation in the rate of sinus bradycardia from 36-to-33/minute. This makes sense given that the underlying rhythm in today's case appears to be marked sinus bradycardia and arrhythmia , with a ventricular escape rhythm appearing when the SA node rate drops below 33/minute.

Blog 78

Blog Bradycardia Arrhythmia Tachycardia 78

Ken Grauer, MD

OCTOBER 27, 2023

That said — obvious findings include: i ) Marked bradycardia! — My Immediate Impression — was that this elderly woman with a several week history of symptoms would most likely leave the hospital with a pacemaker. This suggests ischemia of uncertain duration. be regular! —

Blog 103

Blog Pacemaker Bradycardia Arrhythmia 103

Dr. Smith's ECG Blog

JANUARY 22, 2020

There are 3 etiologies I always think of with bradycardia and AV block: 1. There was no evidence of ischemia. She had a permanent pacemaker implanted. After pacer AND conversion to sinus rhythm: Computer diagnosis: IMPRESSION ELECTRONIC VENTRICULAR PACEMAKER ABNORMAL RHYTHM ECG What is missing from this interpretation?

Pulmonary 52

Pulmonary AFIB Atrial Fibrillation Pacemaker 52

Dr. Smith's ECG Blog

AUGUST 9, 2024

Automatic activity refers to enhanced pacemaking function (typically from a non sinus node source), for example atrial tachycardia. Possible mechanisms of ventricular arrhythmias elicited by ischemia followed by reperfusion. The most common triggered arrhythmia is Torsades de Pointes. Do not treat AIVR. References: Ferrier, G.

Chest Pain 107

Chest Pain Arrhythmia Myocardial Infarction STEMI 107

Dr. Smith's ECG Blog

JANUARY 23, 2024

Isoprenalin was discontinued, and a temporary transveous pacemaker was implanted. The patient stabilized following pacemaker placement. Extensive conduction system abnormalities can have various causes (ischemia, genetic, infectious, amyloid, etc).

Tachycardia 107

Tachycardia Arrhythmia Heart Disease Sudden Cardiac Death 107

Wellnest

DECEMBER 21, 2022

A fast heartbeat is called tachycardia, while a slow heartbeat is called bradycardia in medical terms. Poor blood supply Ischemia, or inadequate blood supply to the heart, is an abnormality that can be detected in an ECG test. ECG testing is also carried out to see how medicines work during treatment and the pacemaker's functioning.

Cardiac Arrest 52

Cardiac Arrest Heart Attack Heart attacks Atrial Fibrillation 52

Dr. Smith's ECG Blog

FEBRUARY 23, 2023

After the heart rate increased slightly, here was the repeat ECG: Sinus bradycardia, only slightly faster rate than prior. Learning Points: Ectopic atrial rhythm can produce atrial repolarization findings that can be confused for acute ischemia, STEMI, or OMI.

Blog 52

Blog Bradycardia Ischemia Exercise 52

EMS 12-Lead

JUNE 1, 2022

Such findings would normally suggest primary ischemia with concomitant surveillance of coronary occlusion, but these ST/T changes might very well be secondary to the Escape mechanism at hand. He received a permanent pacemaker during the subsequent inpatient stay. Hospital transport was unremarkable.

Heart Failure 52

Heart Failure Myocardial Infarction Bradycardia Chest Pain 52

Dr. Smith's ECG Blog

FEBRUARY 15, 2018

Here are inferior leads, and aVL, magnified: A closer inspection of the inferior leads and aVL Sinus bradycardia. The transvenous pacemaker was removed the following day and pressors were not required again. I had no history on the case and no prior ECG for comparison. What do you think? Peak troponin T was 3.00

Chest Pain 52

Chest Pain Critical Care Article Pacemaker 52

Dr. Smith's ECG Blog

APRIL 29, 2020

Therefore, she underwent temporary pacemaker placement and overdrive pacing at a rate of 90 bpm to keep the heart rate up in order to prevent these PVCs triggering ventricular arrhythmia. Instead, antiarrhythmic drugs such as amiodarone or ß-blockers may be needed — and/or treatment targeted to correcting ischemia. Acute ischemia?

Cardiac Arrest 52

Cardiac Arrest Defibrillator Ischemia Tachycardia 52

Dr. Smith's ECG Blog

MARCH 15, 2023

Baseline bradycardia in endurance athletes limits the use of ß-blockers. These include: i ) Use of rate-slowing medication ( ie, ß-blockers, digoxin, verapamil/diltiazem, etc. ) ; ii ) Acute or recent infarction or ischemia; iii ) Hypothyroidism; iv ) Neurologic injury; v ) Electrolyte disturbance; and , vi ) Sleep apnea.

Atrial Fibrillation 52

Atrial Fibrillation AFIB Arrhythmia Exercise 52

Ken Grauer, MD

OCTOBER 4, 2024

To improve visualization — I've digitized the original ECG using PMcardio ) MY Thoughts on the ECG in Figure-1: This is a challenging tracing to interpret — because there is marked bradycardia with an irregular rhythm and a change in QRS morphology. Figure-1: The initial ECG in today's case. ( The QRS complex is wide ( ie, >0.10

Blog 103

Blog Bradycardia Arrhythmia Pacemaker 103

Dr. Smith's ECG Blog

APRIL 8, 2015

Evidence of acute ischemia (may be subtle) vii. PVCs N ot generally considered abnormal ECG findings: Isolated PAC, First Degree AV Block, Sinus bradycardia at a rate of 35-45, and Nonspecific ST-T abnormalities (even if different from a previous ECG). Left BBB vi. Pathologic Q-waves viii. LVH or RV d. Abnormal but less worrisome: i.

Arrhythmia 52

Arrhythmia Outcomes Risk Factors Chest Pain 52

Dr. Smith's ECG Blog

MARCH 8, 2025

Within ten minutes, she developed bradycardia, hypotension, and ST changes on monitor. Bradycardia and heart block are very common in RCA OMI. It is possible there is microvascular dysfunction producing residual transmural ischemia. He told the patient this horrible news. The other point in favor of RCA is junctional rhythm.

Cardiomyopathy 75

Cardiomyopathy Myocardial Infarction Defibrillator Bradycardia 75