Cardiophile MD

Nitric oxide synthase
 eNOS: endothelial nitric oxide synthase
 iNOS: inducible nitric oxide synthase
 EDHF
 endothelium derived hyperpolarising factor
 Angiotensin II receptors
 AT2 receptor: stimulation of this receptor produces vasodilatation and is anti-proliferative
AT1 receptor: stimulation produces vasoconstriction, is pro-inflammatory
Brachial artery flow mediated vasodilation
A segment of brachial artery is measured by ultrasound and proximal occlusion is applied for a period of 5 [...]

What is the role of BNP in heart failure? 
BASEL Study on the role of BNP estimation in heart failure has shown that BNP as a diagnostic test for heart failure can avoid several unnecessary admissions. BNP values less than 100 pg/ml have a 98% negative predictive value. BNP levels in highest quartile of VALHEFT trial [...]