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Potassium (K) - Coggle Diagram
Potassium (K)
Function
Major intracelular cation
Regulates Intracelular Volume
Resting membrane potential
Require for
Depolarisation
Important in
Contraction of heart
Nerve transmission
Component of Na-K Pump
By H-K Exchanger
Sekresi of HCL in gastric juice
Activate Enzymes
Pyruvate kinase
Glycogen Sintase
Protein Syntase
Source
Mainly raw fruits
Banana
Orange
Apple
Tender coconut juice
Raw Vegetable
Lebumes
Nuts and Beans
Regulation
Intake
20-200 mEq
Excretion
Mainly trough urine
Increase by
Aldosterone
Corticosteroid
Potassium Channel
K Redistribution
Dependent on
H+
Insuline
Increase uptake of potassium
Normal Range
3,5-5 mmol/L
Hypokalemia
Cause
K Redistribution
Insulin Therapy
Metabolc Alkolosis
Catecholamine
Periodic paralysis
True K loss
Renal Tubular Acidosis I & II
Acute Tubular Necrosis
Excess of Glucocorticoid & mineralcorticoid
Symptoms
Vomiting
Diearrhea
Anorexia
ECG
Lighteing and lowering in the inversion of T Wave
Hyperkalemia
symptoms
Weakness
Irritability
Confussion
ECG
Prominent T Wave
Widengin of QRS Wave
Prolonged of PR Wave
Cause
Pseudo
K Redistribution
K Retention
RDA
3-4 gram/day