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Author(s): Charalampos Kriatselis Added: 3 years ago
Atrial fibrillation (AF) is the most common form of cardiac arrhythmia and is associated with high rates of morbidity and mortality.1 AF can be paroxysmal or persistent, and remains asymptomatic in some cases. However, in more severe and persistent cases AF may cause congestive heart failure, palpitations, syncope, and chest pains. Additionally, patients with AF have a significantly higher risk… View more

Electrophysiology & Arrhythmia
Sanjiv M Narayan
Job title: Professor of Cardiovascular Medicine
Personal History Prof Sanjiv M. Narayan was born on April 29, 1964, in Aylesbury, Buckinghamshire before his parents moved to Birmingham, UK.1 He is a cardiac electrophysiologist and speaks English, French and Hindi.4 As a child, he was fascinated with computers but then decided to follow in his father’s footsteps and became a doctor and a computer engineer.2 In the field of cardiac… View more
Author(s): Steven B Feinstein Added: 3 years ago
Contrast-enhanced ultrasound imaging (CEUS) is a non-invasive imaging modality that utilizes air-filled microspheres as blood pool agents, which act as intravascular indicators, resulting in improved accuracy and reliability in performing ultrasound images of the heart. CEUS is increasingly used throughout the US, South America, Australia, the Middle East, Europe, Japan, Canada, and Asia as a… View more

Imaging & Diagnostics
Appropriate Use Criteria and the Imaging Mandate
Author(s): Gregory J Dehmer , Leah White , John U Doherty Added: 3 years ago
Since the first report of a methodology to assess the appropriateness of medical technologies, the number and application of appropriate use criteria (AUC) has expanded.1 Interest in AUC occurred because of a desire to control the rising costs of medical care, especially in the area of cardiac imaging. For example, ambulatory visits in which a cardiac stress test with imaging was ordered or… View more

Imaging & Diagnostics

Prevention & Chronic Conditions
Author(s): Gavin L Noble , Gary V Heller Added: 3 years ago
Introduction Coronary artery disease (CAD) is the leading cause of death in the US in both men and women, and in all ethnic groups that have been evaluated.1 The American College of Cardiology estimated the 1998 annual costs (direct and indirect) of CAD in the US to be US$368.4 billion, compared with cumulative cancer costs of US$189 billion.2 The scope of this problem is expanding as the… View more

Imaging & Diagnostics

Demographic
Author(s): Steven R Sigman Added: 3 years ago
Although less common than other forms of cardiomyopathy, cardiac sarcoidosis (CS), both as part of a systemic process and in its isolated form, is an important, and increasingly recognized disorder. This is felt to be due, in part, to advances in cardiac imaging and heightened awareness of the disorder.1,2 CS is associated with high rates of morbidity and mortality, including sudden cardiac death… View more

Imaging & Diagnostics
Author(s): Christopher M Kramer Added: 3 years ago
Cardiovascular Magnetic Resonance in Ischemic Heart Disease Left Ventricular Structure and Function at Rest The most fundamental quantitative measurements of the heart include those of ventricular size and function. Due to its high spatial and temporal resolution and the freedom to image in any plane, cardiovascular magnetic resonance (CMR) imaging is especially suited for this task… View more

Imaging & Diagnostics
Job title: Medical Director
Prof Nicolas Maria Van Mieghem is an Interventional cardiologist at Thoraxcenter, Erasmus MC, Rotterdam, NL decided to pursue a career that would help others. “I enjoy the feeling of being able to help someone or do something important for them".His father was a general cardiologist and one of his biggest influences early in his career. Prof Van Mieghem initially intended to train as a cardiac… View more
EHRA 24: The QDOT-by-LAWT Trial
Author(s): Giulio Falasconi Added: 2 days ago
EHRA 24 - In this video, investigator, Dr Giulio Falasconi (Humanitas Research Hospital, IT) joins us to discuss the findings from the QDOT-by-LAWT trial. This study included 162 patients with paroxysmal atrial fibrillation not responding to antiarrhythmic drugs. They were retrospectively enrolled and randomized on a 1:1 basis to the QDOT-by-LAWT study group, and the control group.Findings showed… View more

Electrophysiology & Arrhythmia
Author(s): Maria Teresa La Rovere , Roberto Maestri , Gian Domenico Pinna Added: 3 years ago
Arterial baroreceptors play a crucial role in the adjustment of the cardiovascular system to several surrounding conditions. In a simplified paradigm, baroreceptor stimulation results in arterial pressure changes that can modulate both sympathetic and vagal activity and, as a consequence, heart rate and myocardial electrophysiological properties, contractility and vascular resistance. Arterial… View more

Heart Failure