1. What does the Vaughan Williams classification refer to in cardiology?
2. Who developed the Vaughan Williams classification system for antiarrhythmic drugs in 1970?
3. What is the primary role of diuretics in the management of hypertension?
Hypertension — pathophysiology?
Increased peripheral resistance and volume expansion.
ACE inhibitors — role?
Block angiotensin II formation, causing vasodilation.
Diuretics — mechanism?
Increase renal sodium and water excretion.
Hypertension — definition?
High blood pressure ≥130/80 mmHg.
Primary vs secondary hypertension — difference?
Primary no identifiable cause; secondary due to underlying condition.
Vasoconstriction — effect on BP?
Increases peripheral resistance and BP.
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