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Tachycardia induced cardiomyopathy

…stroke volume, and subsequently lower blood pressure and reduced organ perfusion. Left ventricular dilation occurs with ensuing decline inleft ventricular ejection fraction (LVEF). This is…

Alcohol and Cardiovascular Disease

…left ventricular dilation may precede the development of increased left ventricular hypertrophy and mass. Initially, myocardial abnormalities may be subclinical. Progressive dilation can subsequently impair…

Hypertensive crisis: drugs and doses

…reference to the intravenous antihypertensive drugs used in a hypertensive emergency. It summarises the mechanism of action, the onset, the duration of effect, the dosing…

🟠 Hypertensive emergency (crisis) - Drugs, doses & management

…prolonged duration of effect, and significant individual variations in its effect. Drug Enalaprilat Brand names Vasotec IV ® Indications Hypertension and hypertensive emergency. Acute left…

Hypertensive emergency (crisis)

…prolonged duration of effect, and significant individual variations in its effect. Drug Enalaprilat Brand names Vasotec IV ® Indications Hypertension and hypertensive emergency. Acute left…

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

…third vector: the ventricular free wall The vectors resulting from activation of the ventricular free walls is directed to the left and downwards ( Figure 7 )…

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 Bundle Branch Block: ECG criteria and clinical implications

…duration exceeding 140 msec in males and 130 msec in females , along with slurring or notching of the mid QRS in at least two left…

ECG changes caused by antiarrhythmic drugs, beta blockers & calcium channel blockers

…reader will notice that most of these drugs are contraindicated in patients with structural heart disease, as well as patients with reduced left ventricular function…

Constrictive pericarditis: definition, causes, diagnosis & echocardiography

…from dilating adequately during diastole. This leads to increased and equivalent diastolic pressure in all rooms. Because pressure is high in the atria, filling of…

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