Pharmville

Card Set Information

Author:
alyn217
ID:
158412
Filename:
Pharmville
Updated:
2012-06-26 20:19:51
Tags:
Diuretics PT3
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Description:
Diuretics Processes
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  1. Why diuretics?
    • Increase urinary output
    • Therapeutic uses
    • -hypertension
    • -removal of edematous fluid (always look at areas will restricted flow and below heart level. Rx will uptake fluid from extracellular space to be excreted)
    • -prevention of renal failure
  2. Mechanisms of Diuretics
    • Blockade—sodium/chloride reabsorption
    • Site of action: proximal tubule produces greatest diureses
    • Proximal tubule produces greatest diuresis
    • Adverse effects
    • Hypovolemia (decreased BP, orthostatic hypotension, dizziness, confusion, abnormal i/o, o>i)
    • Acid base imbalance (may become more acidic)
    • Electrolyte imbalances (may loose Na+ and Cl+)
  3. Sites of Sodium Absorption and Diuretic Action
    • High-Ceiling (Loop) Diuretics. Furosemide (Lasix). Most effective
    • Ascending loop of Henle
    • Uses
    • Pulmonary edema
    • Edematous states
    • Hypertension

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