Loop Diuretics

STUDY
PLAY

Terms in this set (...)

What are the loop diuretics?
FuroSEMIDE, TorSEMIDE
How do loop diuretics work?
Block reabsorption of Na, Cl, and H2O, which decreases the blood volume, decreasing the BP.
What are loop diuretics commonly used for?
HTN
HF
What are 5 adverse effects of loop diuretics?
Hypotension
Dehydration
Electrolyte imbalances
Ototoxicity
May worsen renal insufficiency if overdiuresed
If your patient is taking Furosemide, which three electrolytes will you monitor most closely? Will these values be high or low?
Hypokalemia
Hypomagnesemia
Hyponatremia
What is the normal lab range for Sodium?
136-145
What is the normal lab range for Magnesium?
1.3-2.1
What is the normal lab range for Potassium?
3.5-5
What are some of the major signs and symptoms of hyponatremia?
Irritability, confusion, dizziness, tremors, seizure
Dry mucous membranes
Cold, clammy skin
Postural hypotension
What are some of the major signs and symptoms of hypomagnesemia?
Confusion, tremors, seizures
Hyperactive DTRs
Insomnia
Increased pulse and BP
Muscle cramps
What are some of the major signs and symptoms of hypokalemia?
Fatigue, muscle weakness, leg cramps
NV, paralytic ileus
Soft, flabby muscles
Paresthesias, decreased reflexes
Weak, irregular pulse
Polyuria, hyperglycemia
What are 5 key things to monitor for a patient taking loop diuretics?
BP (esp. for orthostasis)
HR (if BP drops- reflex tachycardia)
Overdiuresis
Electrolytes (Na, Mg, K)
Ringing/Hearing Loss
What are the major symptoms of overdiuresis?
Dizzy, thirsty, lightheaded, excessive weight loss, oliguria