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Pulmonary Hypertension: Classification and Treatment Principles

…classification comprises five groups: Group 1: Pulmonary arterial hypertension Group 2: PH due to left heart disease Group 3: PH due to chronic lung disease…

Pulmonary stenosis

…a paraneoplastic syndrome that occurs due to carcinomas secreting kallikrein and serotonin. In the heart, this can lead to thickening of the pulmonary valve and…

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…

Aortic regurgitation

…pulmonary hypertension and pulmonary edema. Table 1. Causes of aortic regurgitation Bicuspid aortic valve Rheumatic heart disease Calcified aortic valves Idiopathic aortic dilatation (aneurysm) Hypertension…

Atrial fibrillation: ECG, classification, causes, risk factors & management

…follows: male sex, hypertension, left ventricular hypertrophy, left ventricular dysfunction, valve disease, coronary artery disease, cardiomyopathy, congestive heart failure, congenital heart disease, diabetes mellitus (both…

Indications, Contraindications, and Preparations for Exercise Stress Testing

…thrombosis – due to risk of embolization Relative contraindications for exercise ECG Severe hypertension (systolic blood pressure 200 mmHg or diastolic blood pressure 110 mmHg). Left…

The electrical axis of the heart (heart axis): ECG & physiology

…s, provided that other causes of left axis deviation have been excluded. Causes of extreme axis deviation Rare. Most likely due to misplaced limb electrodes…

The electrical axis of the heart (ECG axis)

…contraction. The direction of the depolarization (and thus the electrical axis) is generally alongside the heart's longitudinal axis (to the left and downwards). Figure…

Right ventricular strain: definition, causes, echocardiography

…pulmonary hypertension or pulmonic stenosis. Heart rate . Synchronicity : Optimal contraction requires the majority of all ventricular myocardium to contract simultaneously. For this to be possible…

Circulatory and haemodynamic parameters

…be due to low flow, low vascular tone or both, and the appropriate action differs fundamentally between these cases. Pressures in the heart and pulmonary…

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