CARDIOLOGY

Tachycardia

Jan 30, 2019 by in CARDIOLOGY Comments Off on Tachycardia

Tachycardia mechanisms Automaticity The rate at which the sinus node discharges usually is faster than other latent or subsidiary automatic cardiac pacemakers. Subsidiary pacemakers can become dominant in the settings…

read more

Sinus Node: Normal and Abnormal Rhythms

Jan 30, 2019 by in CARDIOLOGY Comments Off on Sinus Node: Normal and Abnormal Rhythms

Normal sinus node Description Normal sinus rhythm (NSR) is an atrial rhythm caused by electrical activation that originates from the sinus node, a structure located in the area of the…

read more

Pericardial Diseases

Jan 27, 2019 by in CARDIOLOGY Comments Off on Pericardial Diseases

Introduction to Pericardial Diseases Itzhak Kronzon, MD Hippocrates (c. 460-370 BC) described the normal pericardium as follows: “The pericardium is a smooth mantle surrounding the heart and containing a small amount…

read more

Aortic Stenosis

Jan 27, 2019 by in CARDIOLOGY Comments Off on Aortic Stenosis

Aortic Stenosis Morphology Steven A. Goldstein, MD Congenital aortic stenosis Bicuspid Aortic Valve Congenital aortic valve malformation reflects a phenotypic continuum of unicuspid valve (severe form), bicuspid valve (moderate form), tricuspid…

read more

Pericardial Diseases

Jan 27, 2019 by in CARDIOLOGY Comments Off on Pericardial Diseases

Introduction to Pericardial Diseases Itzhak Kronzon, MD Hippocrates (c. 460-370 BC) described the normal pericardium as follows: “The pericardium is a smooth mantle surrounding the heart and containing a small amount…

read more

Pulmonic Regurgitation

Jan 27, 2019 by in CARDIOLOGY Comments Off on Pulmonic Regurgitation

Introduction and Etiology of Pulmonic Regurgitation Melissa A. Daubert, MD Smadar Kort, MD Epidemiology and etiology A trivial amount of pulmonic regurgitation (PR) is a common finding in the adult population. Minor…

read more

Systemic Diseases

Jan 27, 2019 by in CARDIOLOGY Comments Off on Systemic Diseases

Hypertension Brian D. Hoit, MD Systemic arterial hypertension is a major cause of cardiovascular morbidity and mortality and is the number one attributable risk factor for death throughout the world. The…

read more

Physics and Instrumentation

Jan 27, 2019 by in CARDIOLOGY Comments Off on Physics and Instrumentation

General Principles of Echocardiography Frederick W. Kremkau, PhD Echocardiography is sonography of the heart. Sonography comes from the Latin sonus (sound) and the Greek graphein (to write). Diagnostic sonography is medical…

read more

Interventional Echocardiography

Jan 27, 2019 by in CARDIOLOGY Comments Off on Interventional Echocardiography

Introduction Ernesto E. Salcedo, MD John D. Carroll, MD The field of structural heart disease (SHD) has evolved as a group of cardiovascular diseases that are amenable to percutaneous noncoronary interventions. The…

read more
Premium Wordpress Themes by UFO Themes