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Author(s): Michael R Rosen Added: 3 years ago
Cardiac arrhythmia diagnosis is as old as the Bible and ancient Chinese literature.1 Treatment has progressed from the natural products used by the ancients, to formalized attempts at pharmacological therapy over the last 300 years (with digitalis and cinchona bark being the lead compounds), to the modern use of devices and ablation. However, with the exception of electronic pacing for… View more

Vascular Disease and Surgery

Electrophysiology & Arrhythmia
Author(s): Krisztina M Zsebo , Brian E Jaski Added: 3 years ago
Despite important therapeutic improvements in pharmacological and device therapies, the prognosis for patients with advanced cardiovascular disease is poor, even with optimal pharmacological and device management. Heart failure continues to be a major cause of morbidity and mortality in the US. It is the leading medical cause of hospitalization and is expected to result in an estimated direct and… View more

Heart Failure
Author(s): Thomas A Turnage , John A Kpaeyeh , Michael R Gold Added: 3 years ago
Introduction Implantable cardioverter-defibrillators (ICD) demonstrate a mortality reduction in patients at risk for sudden cardiac death.1–4 Transvenous lead placement with a subcutaneous, pectoral pulse generator has been the standard approach for ICD implantation for the past two decades,5 and have a high rate of successful implantation and a very low risk of in-hospital mortality.6 Despite… View more

Electrophysiology & Arrhythmia
Author(s): Emily Seif , Leway Chen , Bruce Goldman Added: 3 years ago
Myocarditis is an inflammatory disease of the myocardium. It has a wide spectrum of severity, with symptoms ranging from mild fevers, shortness of breath, and palpitations to severe hemodynamic collapse. Fulminant myocarditis is a rare form of severe myocarditis that presents with sudden-onset acute heart failure, cardiogenic shock, or life-threatening arrhythmias.1 Prognosis and management of… View more

Heart Failure
POTS-associated Conditions and Management Strategies
Author(s): Rebecca S Steinberg , Weston Dicken , Alexis Cutchins Added: 7 months ago

Demographic

Electrophysiology & Arrhythmia
COVID-19 Pandemic and Cardiovascular Disease
Author(s): Aniket S Rali , Andrew J Sauer Added: 3 years ago
In late December 2019, an outbreak of an unknown disease called a pneumonia of uncertain cause occurred in Wuhan, Hubei Province, China.1 Over the next few days, several independent laboratories identified the causative agent as a novel coronavirus.2–4 The WHO has temporarily named this virus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and the related infectious disease… View more

Vascular Disease and Surgery

Heart Failure
Author(s): John M Miller , Anil V Yadav Added: 3 years ago
In the nearly 30 years since Wellens et al. categorized most of the currently used electrocardiographic (ECG) criteria for distinguishing supraventricular tachycardia (SVT) with aberrant interventricular conduction from ventricular tachycardia (VT),1 there have been relatively infrequent and largely incremental enhancements to the art and science of making this distinction. In most published… View more

Electrophysiology & Arrhythmia
Author(s): Hans Joachim Nesser Added: 3 years ago
Tissue Doppler-based measurements of myocardial strain are possible and accurate for structures that move along the ultrasound beam, but are underestimated in other directions and even impossible for angles close to 90º. To overcome these limitations, the speckle tracking technique was introduced in 2004, offering a more user-friendly workflow and better reproducibility.1 This echocardiographic… View more

Imaging & Diagnostics

MI/ACS
Author(s): Hillel A Steiner , Yonathan Hasin Added: 3 years ago
Sudden cardiac death (SCD) remains a public health problem of immense magnitude, afflicting an estimated 300,000 persons per year in the US.1 SCD, defined as death occurring within one hour from symptom-onset, is associated with ischemic heart disease in 80% of cases. Approximately one-third of cases are the result of an acute occlusion of an epicardial coronary artery.2 Some 50% of the mortality… View more

Electrophysiology & Arrhythmia

Prevention & Chronic Conditions
Clozapine-induced Cardiomyopathy: A Case Report
Author(s): Essa Hariri , Anna Scandinaro , Mazen M Al Hammoud , et al Added: 1 year ago

Heart Failure