High Blood Pressure Response
- Atria Release Atrial Natriuretic Peptide
- Vasodilation
- Antagonizes Aldosterone
- Na+ and Water Excreted
Low Blood Pressure Response
- Posterior Pituitary Releases Vasopressin
- Vasoconstriction
- Adrenal Cortex Releases Aldosterone
- Increased Na+ and H2O Reabsorption
Renin Angiotensin Aldosterone System (RAAS) Regulators
- Hypotension
- Hypovolemia
- Decreased NaCl Delivery to Macula Densa
- Sympathetic Stimuli
- Angiotensin II
- Aldosterone
- Antidiuretic Hormone
- Atrial Natriuretic Peptide and Brain Natriuretic Peptide
Hypokalemia
- < 3.5 mEq/L
- Muscle Weakness
- Arrhythmia
- U Wave
- Ileus
- Hyporeflexia
- IV K+ Infusion at 5-10 mEq/hr
- Give Orally with Food
- Monitor Respiratory Status
Hyperkalemia
- > 5.0 mEq/L K+
- Abdominal Cramps
- Muscle Weakness
- Diarrhea
- Arrhythmia
- Tall, Peaked T Waves
- IV Calcium
- Infusion of Glucose and Insulin
- Loop or Thiazide Diuretics
- Kayexalate
- Dialysis
- Prevention Education