Circulation

FEBRUARY 23, 2025

Circulation, Volume 151, Issue 8 , Page 534-536, February 25, 2025.

Tachycardia 45

Tachycardia Ablation Circulation 45

DAIC

MARCH 31, 2025

Long-term outcome of non-sustained ventricular tachycardia in structurally normal hearts. Circulation: Heart Failure. AF Often Asymptomatic: Even for atrial fibrillation (AF)the most commonly symptomatic arrhythmiaover half of all cases were asymptomatic. The American Journal of Cardiology. 2013;112(8):1263-1270. doi:10.1016/j.amjcard.2013.05.065

Arrhythmia 52

Arrhythmia Atrial Fibrillation Tachycardia Heart Failure 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. Circulation. The described rhythm was an irregular, wide complex rhythm. No ischemic ST changes.

Tachycardia 131

Tachycardia Cardiac Arrest ICU Blog 131

Circulation

AUGUST 4, 2024

Circulation, Volume 150, Issue 6 , Page 506-508, August 6, 2024.

Tachycardia 45

Tachycardia Circulation 45

Ken Grauer, MD

APRIL 13, 2024

That said — most patients eventually do become symptomatic ( Webb and Gatzoulis: Circulation 114: 1645-1653, 2006 ). Because of this, it is uncommon to see sinus tachycardia with a prolonged PR interval. ECG Blog #227 — Reviews the "Bix Rule" ( Looking for 2:1 atrial activity when you see a long PR interval with a tachycardia ).

Blog 118

Blog Tachycardia Pulmonary Arrhythmia 118

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4143264-A4143264, November 12, 2024. This can initiate ventricular arrhythmias like polymorphic ventricular tachycardia (PMVT). Background:R-on-T phenomenon occurs when an electrical stimulus is delivered at a critical point during ventricular repolarization.

Tachycardia 40

Tachycardia Pacemaker Defibrillator Atrial Fibrillation 40

Circulation: Arrhythmia and Electrophysiology

SEPTEMBER 25, 2024

Circulation: Arrhythmia and Electrophysiology, Ahead of Print.

Ablation 40

Ablation Tachycardia Electrophysiology Arrhythmia 40

Circulation

OCTOBER 27, 2023

Circulation, Ahead of Print. BACKGROUND:In severely affected patients with catecholaminergic polymorphic ventricular tachycardia, beta-blockers are often insufficiently protective. 0.45];P<0.001).CONCLUSIONS:For

Tachycardia 40

Tachycardia Sudden Cardiac Death Defibrillator Cardiac Arrest 40

Dr. Smith's ECG Blog

FEBRUARY 6, 2024

The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Circulation: Cardiovascular Imaging. The Initial ECG in Today's Case: As per Dr. Meyers — the initial ECG in today's case shows sinus tachycardia with bifascicular block ( = RBBB/LAHB ). 2015, March 1). Cramer, M.

Tachycardia 115

Tachycardia Dysrhythmia Atrial Fibrillation Bradycardia 115

Circulation

AUGUST 4, 2024

Circulation, Volume 150, Issue 6 , Page e152-e152, August 6, 2024.

POTS 45

POTS Tachycardia Circulation 45

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4120434-A4120434, November 12, 2024. Introduction:Mitral annular disjunction (MAD) is an abnormality of the mitral valve where a portion of the mitral annulus and valve leaflets insert into the left atrium away from the fibrous annulus.

Bicuspid/Mitral 40

Bicuspid/Mitral Aneurysm Sudden Cardiac Death Tachycardia 40

Circulation: Arrhythmia and Electrophysiology

JANUARY 26, 2024

Circulation: Arrhythmia and Electrophysiology, Ahead of Print.

Tachycardia 40

Tachycardia Electrophysiology Arrhythmia Circulation 40

Dr. Smith's ECG Blog

SEPTEMBER 5, 2024

Sinus tachycardia has many potential causes. This is especially true for the elderly patient with sinus tachycardia. What is the cause of the sudden tachycardia? Angiography usually reveals an absence of collateral circulation to the infarct zone. The patient in today’s case suddenly became tachycardic while sleeping.

Cardiogenic Shock 109

Cardiogenic Shock Chest Pain Pericarditis Myocardial Infarction 109

Circulation: Arrhythmia and Electrophysiology

JANUARY 15, 2024

Circulation: Arrhythmia and Electrophysiology, Volume 17, Issue 1 , Page e000090, January 1, 2024.

Tachycardia 40

Tachycardia Electrophysiology Arrhythmia Circulation 40

Circulation: Arrhythmia and Electrophysiology

JUNE 5, 2024

Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Epicardial approach in ventricular tachycardia (VT) ablation is still regarded as a second-step strategy, due to the risk of complications.

Ablation 40

Ablation Tachycardia Heart Disease Cardiomyopathy 40

Dr. Smith's ECG Blog

JANUARY 1, 2024

While the initial impression might not immediately suggest ventricular tachycardia (VT), a closer examination raises suspicion. Additionally, the qR morphology, particularly in a patient with right bundle branch block (RBBB) type wide QRS complex tachycardia (WQCT), lends further support for VT. What is the rhythm?

Tachycardia 112

Tachycardia Blog Ischemia Heart Failure 112

Circulation: Arrhythmia and Electrophysiology

NOVEMBER 27, 2024

Circulation: Arrhythmia and Electrophysiology, Volume 17, Issue 12 , Page e011681, December 1, 2024.

Electrophysiology 40

Electrophysiology Tachycardia Arrhythmia Circulation 40

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4141933-A4141933, November 12, 2024. Introduction:Supraventricular tachycardia (SVT) is known to affect children and teenagers predominantly but can also occur in adults. Methodology:The CDC WONDER database was used to identify SVT-related deaths using ICD-10 code I47.2

Tachycardia 40

Tachycardia Circulation Research Outcomes 40

Dr. S. Venkatesan MD

APRIL 28, 2024

In all probability, this dilation is a form of atrial tachycardia and atrial cardiomyopathy. Spatial relationship of sites for atrial fibrillation drivers and atrial tachycardia in patients with both arrhythmias July 2017 International Journal of Cardiology 248(3) AF begets AF. Implications for electrophysiologists.

Atrial Fibrillation 75

Atrial Fibrillation Bicuspid/Mitral Pulmonary Ablation 75

Circulation: Heart Failure

AUGUST 2, 2023

Circulation: Heart Failure, Volume 16, Issue 11 , Page e010406, November 1, 2023.

Heart Failure 40

Heart Failure Tachycardia Cardiomyopathy Circulation 40

MIBHS

JANUARY 31, 2025

Abnormal readings can signal issues with circulation or lung function, prompting further investigation. Early detection of conditions like AFib, bradycardia, or tachycardia allows patients to address issues before they become critical. Sleep Monitoring Quality sleep is essential for heart health.

Heart Rhythm 52

Heart Rhythm Technology AFIB Exercise 52

Dr. Smith's ECG Blog

SEPTEMBER 18, 2024

This strip was obtained: Apparent Wide Complex Tachycardia at a rate of 280 What do you think? Troponins 34>33>43, likely secondary to myocardial injury from tachycardia. Sinus tachycardia does not go this fast. A 60-something ow healthy male had syncope while on treadmill. What do you want to do?

Atrial Flutter 64

Atrial Flutter Exercise AFIB Tachycardia 64

DAIC

DECEMBER 29, 2023

The trial will evaluate the outcomes of therapy provided with the FARAPULSE PFA System versus AADs, including device-or procedure-related adverse events, the rates of freedom from AF, atrial flutter, or atrial tachycardia, as well as AF burden – a measurement of the amount of AF an individual experiences. Circulation.

Atrial Fibrillation 115

Atrial Fibrillation Ablation Atrial Flutter Blood Clot 115

Dr. Smith's ECG Blog

JANUARY 29, 2013

The ECG was done because the heart rate was 230 and the differential included SVT vs. sinus tachycardia. This is typical of pediatric ECGs because the fetal circulation depends on the right ventricle. Thus, what appear to be p-waves are indeed p-waves (see leads II and V1). This is from a febrile 3 month old infant.

Pediatrics 52

Pediatrics Pacemaker Tachycardia Circulation 52

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4142266-A4142266, November 12, 2024. Introduction:Supraventricular tachycardia (SVT) is common and poorly tolerated in patients who have undergone Fontan procedure. Atrial Tachycardia (70%) and Typical Atrial Flutter (65%) were the most common SVTs ablated.

Ablation 40

Ablation Atrial Flutter Outcomes Arrhythmia 40

DAIC

APRIL 30, 2024

This study, published on April 26, 2024, in the journal Circulation , was led by Professor Yuji Shiba from the Department of Regenerative Science and Medicine, Shinshu University. Finally, the monkeys received injections of either cardiac spheroids or a placebo directly into the damaged heart ventricle.

Transplant 105

Transplant Heart Transplant Myocardial Infarction Heart Attack 105

Dr. Smith's ECG Blog

JULY 21, 2024

This progressed to electrical storm , with incessant PolyMorphic Ventricular Tachycardia ( PMVT ) and recurrent episodes of Ventricular Fibrillation ( VFib ). The patient improved, and on Day-11 of the hospital stay — he was off inotropes and on a small dose of a ß-blocker. He required multiple defibrillations within a period of a few hours.

Arrhythmia 131

Arrhythmia Cardiogenic Shock Bradycardia Defibrillator 131

Dr. Smith's ECG Blog

SEPTEMBER 29, 2024

This usually represents posterior OMI, but in tachycardia and especially after cardiac arrest, this could simply be demand ischemia, residual subendocardial ischemia due to the low flow state of the cardiac arrest. This prompted cath lab activation. On arrival to the ED, this ECG was recorded: What do you think?

Cardiac Arrest 110

Cardiac Arrest STEMI Ischemia SCAD 110

European Journal of Heart Failure

NOVEMBER 3, 2023

Among 475 patients with cardiac sarcoidosis, 119 (25.1%) were isolated cardiac sarcoidosis (iCS) based on the 2016 Japanese Circulation Society criteria. iCS was diagnosed according to the 2016 Japanese Circulation Society (JCS) guidelines.

Atrial Fibrillation 40

Atrial Fibrillation Heart Failure Tachycardia Arrhythmia 40

EMS 12-Lead

APRIL 28, 2022

Initial vital signs include: NIBP 99/58 HR 150-160 (trend) RR 10 (spontaneous, but shallow) SpO2 86 (RA) BBS CTA The initial rhythm strip is attached: Figure 1 There is a wide complex tachycardia of varying morphology, amplitude, and R-R cycle length. Chapter 10: Recurrent Ventricular Tachycardia (pg. Circulation, 144; 823-839. [3]

Tachycardia 52

Tachycardia AFIB Arrhythmia Coronary Artery Bypass Graft 52

EMS 12-Lead

AUGUST 22, 2022

From afar, there is gross tachycardia, cadence irregularities, and narrow QRS complexes that may, or may not, be Sinus in origin; and finally – a cacophony of wide complexes that might very well be ventricular in origin. McLaren : We’ve answered the first question – Sinus Tachycardia with episodic runs of wide QRS (RBBB morphology) and PVC’s.

Tachycardia 52

Tachycardia Cardiomyopathy Electrophysiology ICU 52

Circulation

NOVEMBER 15, 2023

Circulation, Ahead of Print. Carbachol administration induced torsades de pointes or ventricular tachycardia for homozygous T1307M mice (20%) but not for heterozygous or wild-type mice. BACKGROUND:Pathogenic variants inSCN5Acan result in long QT syndrome type 3, a life-threatening genetic disease.

Arrhythmia 40

Arrhythmia Tachycardia Circulation 40

Circulation: Cardiovascular Interventions

DECEMBER 27, 2024

Circulation: Cardiovascular Interventions, Ahead of Print. BACKGROUND:Varying rates of nonsustained ventricular tachycardia (NSVT) have been reported early after transcatheter pulmonary valve replacement (TPVR) with the Harmony valve, but data regarding rhythm outcomes beyond hospital discharge are limited.

Pulmonary 40

Pulmonary Arrhythmia Cardiovascular Interventions Tachycardia 40

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4146485-A4146485, November 12, 2024. The presence or absence of five predetermined cardiac arrhythmias were evaluated: atrial fibrillation/flutter (AFIB), ventricular bigeminy, ventricular trigeminy, ventricular tachycardia (VT), and high-grade atrioventricular block (AVB).Results:The

AFIB 40

AFIB Arrhythmia Atrial Fibrillation Tachycardia 40

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4143624-A4143624, November 12, 2024. Background:In diabetic ketoacidosis (DKA), cardiac complications such as QTc interval prolongation can pose a risk for ventricular tachycardia.

Pediatrics 40

Pediatrics Tachycardia Arrhythmia Diabetes 40

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4121816-A4121816, November 12, 2024. Case Description:A 19-year-old man presented to the emergency department for 3 days of shortness of breath, progressive bilateral lower extremity rash, generalized fatigue, and diffuse joint following an earlier visit to urgent care for pharyngitis symptoms.

Laboratory 40

Laboratory Tachycardia Circulation 40

Circulation

NOVEMBER 11, 2024

Circulation, Volume 150, Issue Suppl_1 , Page A4145609-A4145609, November 12, 2024. Introduction:Cannabis has been increasingly used as a recreational drug. Its cardiovascular effects depend on several factors, including the exact composition, route of administration, dose, and duration of use.

Bradycardia 40

Bradycardia Coronary Artery Disease Kidney Disease Outpatient 40