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Right ventricular strain: definition, causes, echocardiography

…section (SAX, short axis view), the the ventricle is rather a crescent shaped appendage of the left ventricle. On longitudinal sections (A4C, apical four chamber…

Strain, strain rate and speckle tracking: Myocardial deformation

…The orientation of myocardial muscle fibers results in longitudinal, radial and circumferential shortening (contraction). Traditional methods for investigating left ventricular function — e.g ejection fraction…

ECG parameters

…right ventricular strain, lateral infarction, left posterior fascicular block −90° to ±180° Extreme axis deviation Amplitude criteria Criterion Threshold Suggests : : : Sokolow–Lyon S in V1…

Cardiovascular Risk in Women: Sex-Specific Factors

…women than men after approximately 65 years of age. Hypertension related left ventricular hypertrophy, concentric remodelling, reduced longitudinal strain and heart failure with preserved ejection…

Pulmonary embolism: quick reference for risk stratification and treatment

…or cardiac arrest with suspected pulmonary embolism. Urgent bedside echocardiography, looking for right ventricular strain. If CT pulmonary angiography can be performed immediately, do it…

Ventricular tachycardia (VT): ECG criteria, causes, classification, treatment

…virtually all cases. Ventricular tachycardia causes immense strain on the ventricular myocardium, simultaneously as the cause of the arrhythmia already affects cellular function. This results…

Heart Failure With Preserved Ejection Fraction: Diagnosis and Treatment

…occur because elevated left sided filling pressures are transmitted to the pulmonary circulation. Persistent pulmonary vascular disease can lead to right ventricular strain and dysfunction…

Assessing left ventricular systolic function

…in subsequent chapters. Stroke volume (SV) Stroke volume is the volume of blood pumped from the left ventricle into the aorta during systole. It is…

Congenital heart disease & GUCH (Grown Up Congenital Heart disease)

…thickness. Strain imaging is also used routinely to visualize regional myocardial function and mechanics. Loading conditions and heart rate may affect left ventricular function. Transesophageal…

ECG in left ventricular hypertrophy (LVH): criteria and implications

…sided chest leads and deeper S waves in left sided leads. Left ventricular hypertrophy (LVH) The most common causes of left ventricular hypertrophy are aortic…

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