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Dilated Cardiomyopathy and Myocarditis

  • Azin Alizadehasl
  • Anita Sadeghpour
Chapter

Abstract

Dilated cardiomyopathy (DCM) is myocardial disease that is characterized by the left ventricular (LV) enlargement and LV systolic dysfunction in the absence of other causes of volume overload or increased afterload. LV end-diastolic and end-systolic dimensions, as well as LV end-diastolic volumes and overall LV mass, are increased (with normal or sometimes thinned walls), and the global ejection fraction (EF) is reduced and sub-normal (LVEF < 45%, fractional shortening <25%, according to literature review).

Myocarditis frequently mimicking acute coronary syndrome on first presentation. Two-dimensional (2D) echocardiography has conventionally played a restricted role in the diagnosis of acute myocarditis. Coming on of advanced echocardiographic modalities like strain and also myocardial perfusion imaging have vividly expanded the scope and role of echocardiography for better diagnosis with precise bedside study of regional contractility, myocardial blood flow, micro-vascular integrity and also function. These newer modalities has incremental usefulness over the time.

Keywords

Dilated cardiomyopathy Myocarditis Echocardiography Peri-partum cardiomyopathy (PPM) Takotsubo cardiomyopathy LV thrombus Assist device 

Abbreviations

2D

Two-dimensional

AF

Atrial fibrillation

AIDS

Acquired immune deficiency syndrome

BBB

Bundle branch block

BP

Blood pressure

CAD

Coronary artery disease

CMR

Cardiac magnetic resonance

CRT

Cardiac resynchronization therapy

DCM

Dilated cardiomyopathy

EF

Ejection fraction

HF

Heart failure

LV

Left ventricular

MV

Mitral valve

PH

Pulmonary hypertension

PPM

Peri-partum cardiomyopathy

RWMA

Regional wall motion abnormalities

TR

Tricuspid regurgitation

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Azin Alizadehasl
    • 2
  • Anita Sadeghpour
    • 1
  1. 1.Associate Professor of Cardiology, Echocardiologist, Echocardiography and Cardiogenetic Research CentersCardio-Oncology Department, Rajaie Cardiovascular Medical and Research CenterTehranIran
  2. 2.Professor of CardiologyEchocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical ScienceTehranIran

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