Potassium imbalances Flashcards
(9 cards)
1
Q
Normal potassium values?
A
3.5-5.5 mmol/L
2
Q
Ax hypokalemia?
A
Acute: redistribution in body fluid chambers
Chronic: thiazides, Conn’s syndrome
3
Q
Symptoms hypokalemia?
A
Muscle cramps, atrioventricular ectopics, hyponatremia, bradycardia
4
Q
Investigations hypokalemia?
A
ST depression, flattened T wave, U wave
5
Q
Management hypokalemia?
A
Moderate: Sando K replacement
Severe: IV replacement and ECG
6
Q
Ax hyperkalemia?
A
Intracellular release (DKA, tumour lysis syndrome) Renal Excretion (ACE i, spirnolactone), Addison's
7
Q
Symptoms hyperkalemia?
A
Muscle weakness, cardiotoxicity, hyperventilation, arrhythmias
8
Q
Investigations Hyperkalemia?
A
Widened QRS, Tall tented T waves
9
Q
Management hyperkalemia?
A
Calcium gluconate
Insulin+glucose
Calcium resonium
