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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…

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…

Anticoagulation Strategies in Atrial Fibrillation

…consequence of this triad is severe: cardioembolic strokes associated with AF are typically larger, present with more severe neurological deficits, and carry higher rates of…

Pulmonary Embolism (PE)

…ventricle, which is counteracted by dilatation of the ventricle. Dilatation of the right ventricle results in reduced intraventricular pressure and thereby reduced myoardial load. Pulmonary…

Tricuspid regurgitation (TR/TI)

…Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the right atrium. Pulmonary hypertension. Left to right shunt. Right ventricular dysfunction due to pressure…

The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration

…activation of the right ventricle does not come to expression , because it is drowned by the many times larger vector generated by the left ventricle…

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

…a patient on digoxin treatment 1 ECG signs of left atrial enlargement 3 Left axis deviation 2 QRS duration ≥90 milliseconds 1 Prolonged R wave…

Atrial and ventricular enlargement: hypertrophy and dilatation on ECG

…the articles on left ventricular enlargement, right ventricular enlargement and atrial enlargement. Below follows a discussion on the principles and differences of dilatation and hypertrophy…

Left atrial enlargement (P mitrale) & right atrial enlargement (P pulmonale) on ECG

…The duration of the P wave will exceed 120 milliseconds in lead II. Biatrial abnormality/enlargement Biatrial abnormality implies that the ECG indicates both left…

Left bundle branch block (LBBB): ECG criteria, causes, management

…the left ventricle partially or entirely outside the specialized conduction system. This slower conduction results in a prolonged QRS duration. The defining features of LBBB…

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