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12 Cards in this Set
- Front
- Back
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Diuretics
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What are the drugs that modify circulating volume?
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Diuretics
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a mainstay of antihypertensive therapy; if use only one drug, it is usually a diuretic. Especially useful with other agents as well since therapy tends to cause fluid retention. Useful in many black patients.
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prevents hypervolemia
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What is the mechanism of action for Diuretics?
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Diuretics
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mechanisms of action
1. initally decreases blood volume and fluid in tissues. Causes increased Na+ excretion and water follows After several months, plasma volume returns to normal but still has antihypertensive effect. 2. Appears to also relax blood vessels. |
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Diuretics
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Side or toxic effects.
1. potassium depletion (causes arrythmias) 2. may aggravate diabetes melitus |
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1. diabetes
2. renal or liver disease 3. Cardiac arrythmias |
What are the contraindications for taking diuretics?
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Antihypotensive agents
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How do people treat low BP?
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to increase blood pressure
1. increase peripheral resistance 2. Increased cardiac output 3. Replace blood volume |
What is the mechanism of action for antihypotensive agents?
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1. Chronic hypotension
2. Acute hypotension 3. Hypovolemic shock a. replace blood volume |
What are the therapeutic uses for Antihypotensive agents?
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Antihypotensive Agents
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1. Chronic hypotension
2. Acute hypotension 3. Hypovolemic shock a. replace blood volume |
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Antihypotension agents
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because of emergency situation, concerns for side effects and contraindication do not exist.
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True
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Antihypotensive agents are not used for chronic use.
True or false? |
