Medical Definition of Ventricular afterload

1. Formerly, the arterial pressure or some other measure of the force that a ventricle must overcome while it contracts during ejection, contributed to by aortic or pulmonic artery impedance, peripheral vascular resistance, and mass and viscosity of blood; now, more rigorously expressed in terms of the wall stress, i.e., the tension per unit cross-sectional area in the ventricular muscle fibres (calculated by an expansion of Laplace's law utilizing pressure, internal radius, and wall thickness) that is required to produce the intracavitary pressure required during ejection. (05 Mar 2000)



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Lexicographical Neighbors of Ventricular Afterload

ventred
ventres
ventresca
ventri-
ventricle
ventricle of Sylvius
ventricle of cerebral hemisphere
ventricle of diencephalon
ventricle of rhombencephalon
ventricles
ventricles of heart
ventricose
ventricous
ventricular
ventricular aberration
ventricular afterload (current term)
ventricular aneurysm
ventricular arrhythmia
ventricular arrhythmias
ventricular arteries
ventricular band of larynx
ventricular bigeminy
ventricular bradycardia
ventricular capture
ventricular complex
ventricular conduction
ventricular diastole
ventricular dysfunction

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