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