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Tricuspid regurgitation (TR/TI)

…common in intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the right atrium. Pulmonary hypertension. Left to right…

Left Ventricular Function

…of fraction of left ventricular volume ejected per beat and of ventricular end diastolic and residual volumes. Experimental and clinical observations with a precordial dilution…

Arrhythmias before and during cardiac arrest

…load (the ventricle is empty or nearly empty). In patients with an initial shockable rhythm, compressions and ventilation can extend the duration of the shockable…

ECG interpretation method, adults

…in the AV node is high grade. Causes of tachyarrhythmia with narrow QRS complexes (QRS duration < 0.12 s): sinus tachycardia, inappropriate sinus tachycardia…

Dilated Cardiomyopathy (DCM): Definition, Types, Diagnostics & Treatment

…lead to ventricular dilation. However, the term dilated cardiomyopathy (DCM) refers to idiopathic or genetic dilation of the left ventricle . Patients with DCM typically develop…

Mitral valve stenosis

…mitral valve separates the left atrium and the left ventricle. The valve is attached to the mitral annulus , which is continuous with annulus fibrosus (the…

Mitral regurgitation

…wall stress, which can be alleviated by ventricular hypertrophy and dilation: Wall stress = (Pressure LV × radius LV ) / (2 × WT LV ) LV = left ventricle;…

Aortic regurgitation

…the left ventricle hypertrophic? Is left ventricular ejection fraction (LVEF) normal? A normal sized ventricle with hyperdynamic contractility suggests acute aortic regurgitation. The severity of…

Arrhythmogenic Right Ventricular Cardiomyopathy / Dysplasia (ARVC, ARVD)

…TAD on the electrocardiogram. Echocardiography in ARVC Echocardiography shows global right ventricular dilation. The left ventricle and the septum are generally spared. Regional wall motion…

Pulmonary Embolism (PE)

…causes increased right ventricular load, which results in increased oxygen demand and dilatation of the right ventricle. Despite the dilation, myocardial ischemia will develop if…

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