Pulmonary Arterial Hypertension

Apr 13, 2017 by in CARDIOLOGY Comments Off on Pulmonary Arterial Hypertension

1. Pulmonary arterial hypertension (PAH)  1. Idiopathic PAH  2. Heritable PAH  1.2.1 BMPR2  1.2.2 ALK-1, ENG, SMAD9, CAV1, KCNK3  1.2.3 Unknown  1.3 Drug and toxin induced  1.4 Associated with  1.4.1…

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Arterial Alterations in Hypertension

Apr 13, 2017 by in CARDIOLOGY Comments Off on Arterial Alterations in Hypertension

Fig. 20.1 Blood pressure curve in the ascending aorta with its forward and backward components. Augmentation pressure is the difference between systolic blood pressure and the peak of the forward…

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Neurohormonal Interactions

Apr 13, 2017 by in CARDIOLOGY Comments Off on Neurohormonal Interactions

Vasoconstriction Vasodilation Angiotensin II Natriuretic peptides Arginine-vasopressin Kinin-kallikrein system Catecholamines Medullipine system Endothelin Adrenomedullin Prostaglandins Estrogens Insulin Nitric Oxide 10.2.1 Renin-Angiotensin System The systemic renin-angiotensin system (RAS) is central to…

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Retinal Circulation in Arterial Disease

Apr 13, 2017 by in CARDIOLOGY Comments Off on Retinal Circulation in Arterial Disease

Keith-Wagener-Barker classification Simplified (Wong-Mitchell) classification Grade Features Grade Features 1 Mild generalized retinal arteriolar narrowing None No detectable signs 2 Definite focal narrowing and arteriovenous nipping Mild Generalized arteriolar narrowing,…

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Endothelial Function in Health and Disease

Apr 13, 2017 by in CARDIOLOGY Comments Off on Endothelial Function in Health and Disease

Fig. 12.1 The endothelium is responsible for a number of physiological functions, including (1) regulation of vascular tone, (2) control of blood fluidity and coagulation, and (3) regulation of inflammatory…

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