Front | Back |
What are diuretics used for?
|
HTNCHFEdema
|
What do diuretics do?
|
Inhibit NA and CL absorption causing excretion of h2o/they act on the kidneys to increase urine output
|
What do diuretics do to potassium?
|
K depleting or K sparing
|
What are adverse effects of diuretics?
|
Hypokalemia, dysrhythias, postural hypotension, weakness, dizziness, dehydration, N & V, headache, confusion
*low or high K always think cardiac arrythmia |
When is the best time to give diuretics?
|
Morning is best to prevent patient injury due to increased night time trips to the bathroom
|
What would be some nursing considerations/implications?
|
-take with food to prevent GI upset-advise pt to rise slowly out of bed d/t orthostatic hypotension-encourage pt to use a sunblock d/t photosensitivity & dont stay out long-Discuss high K foods: citrus, bananas, apricots, dates-take med early to prevent nocturia-teach to take BP and P and record
|
More nursing considerations
|
-timing of med-teach to maintain record of weekly weights (if it's edema-see if they really are losing weight-check electrolytes (K and Na)-check I & O-check if on K supplement
|
What happens with salt and water?
|
Na goes where h2o goes
|
What are some important lab values we need to know?
|
K = 3.5-5.0Na= 135-145
|
What are some signs and symptoms of hypokalemia?
|
-weakness-decreased deep tendon reflexes-abdominal distension-diarrhea-paresthesias-bradycardia
|
List foods high in potassium
|
-fresh apricots-avocados-bananas-cantaloupe-honeydew-kiwi-lima beans-milk -potatoes-prunes-spinach-tomato
|
What is orthostatic hypotension?
|
Sudden low bp that occurs when a person stands up.
|
What may cause orthostatic hypotension?
|
Hypovolemia (a decrease in the amount of blood in the body) resulting from the excessive use of diuretics, vasodilators or other types of drugs
|
Which one of these are not high in K?bananasapricotsappleskiwi
|
Apples
|
What is a does loop diuretic do?
|
-reduces peripheral edema from CHF and hepatic and renal disease. Highly effective in the tx of pulmonary edema and HTN
-acts in the ascending Loop of Henle-cause a rapid response-interferes with the reabsorption of NaCl producing profound diuresis |