DM / DNB Cardiology Entrance Mock Test 9
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Source: Cardiophile MD - January 27, 2016 Category: Cardiology Authors: Prof. Dr. Johnson Francis, MD, DM, FACC, FRCP Edin, FRCP London Tags: Cardiology MCQ DM / DNB Cardiology Entrance Featured Source Type: blogs

How do diuretics lower blood pressure?
Brief Review Diuretics lower blood pressure by lowering the intravascular volume and sodium content.1 It is mentioned that thiazide diuretics reduce the extracellular volume by about two litres and plasma volume by three hundred milliliters by about two days of usage. But some of these effects on volume contraction get compensated on long term usage due to compensatory mechanisms. Moreover, if volume loss was the main reason for lowering blood pressure with diuretics, loop diuretics which produce more of volume loss should have been more powerful anti hypertensives than thiazide diuretics. But the fact is the reverse...
Source: Cardiophile MD - December 22, 2014 Category: Cardiology Authors: Prof. Dr. Johnson Francis, MD, DM, FACC, FRCP Edin, FRCP London Tags: General Cardiology Source Type: blogs