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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…

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

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

Nail procedures — paronychia, ingrown toenail and subungual haematoma

…a bloodless field one works by feel, and by feel nail spicules are left behind — which is the commonest cause of recurrence. Indications Condition Procedure : …

Intravascular Imaging: IVUS and OCT for PCI Optimisation

…specificity for plaque and vessel wall pathology, intravascular imaging provides cross sectional and longitudinal information about the artery. The clinical value of these techniques rests…

Left ventricular diastolic function

…an intuitive basis. Consider the fact that the left ventricle contracts and ejects blood into the aorta roughly 100,000 times daily, each time overcoming…

Right ventricular strain: definition, causes, echocardiography

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

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…

🟠 1-2-3-LQTS Risk Calculator

…This model was developed using a single center longitudinal cohort and subsequently validated with an independent cohort of 1,689 patients from the International LQTS…

🟠 1-2-3-LQTS Risk Calculator

…This model was developed using a single center longitudinal cohort and subsequently validated with an independent cohort of 1,689 patients from the International LQTS…

Cardiovascular Risk in Women: Sex-Specific Factors

…of age. Hypertension related left ventricular hypertrophy, concentric remodelling, reduced longitudinal strain and heart failure with preserved ejection fraction are more frequent in women. Diabetes…

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