1. at receptor antagonists d() Acute myocardial infarction and congestive heart failure after-oad↓; cardiac output个 2. CAPACITANCE Venules 3. PUMP OUTPUT CNS Sympathetic nerves 4. VOLUME 1. RESISTANCE Kidneys Arterioles Re Aldosterone-+- Angiotensin(4) Acute myocardial infarction and congestive heart failure after-load  ； cardiac output  1.  receptor antagonists