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This Concept Map, created with IHMC CmapTools, has information related to: F&E-potassium, hypokalemia- Decreased ECF k levels causes decreased intake, Increased excretion – GI or sweat gland excretion Drugs - Potassium-wasting diuretics, laxatives, corticosteroids, digitalis, Potassium- Princess of the Castle functions Transmission and conduction of nerve impulses Contraction of skeletal and smooth muscles Normal cardiac conduction Necessary for glycogen deposits in liver and skeletal muscle, hyperkalemia- increased ECF K levels symptoms Anxiety, irritability Nausea, abdominal pain, diarrhea Tingling, numbness, muscle twitches Marked cardiac conduction abnormalities, Potassium- Princess of the Castle regulation dietary intake and kidneys (excretion), Potassium- Princess of the Castle imbalances hyperkalemia- increased ECF K levels, Potassium- Princess of the Castle mostly found ICF, hyperkalemia- increased ECF K levels causes Potassium-sparing diuretics; ACE inhibitors Excess p.o. or IV intake Whole blood transfusions Renal failure Massive trauma/burns/crushing injuries, Potassium- Princess of the Castle values 3.5-5 mEq/L, Potassium- Princess of the Castle imbalances hypokalemia- Decreased ECF k levels, hypokalemia- Decreased ECF k levels symptoms Decreased intestinal motility Weakness, fatigue Diminished reflexes, paresthesias Dysrrhythmias, weak, irregular pulse, cardiac arrest (ɚ.5mEq/L)