Hypokalaemia Flashcards
1
Q
causes of hypokalaemia
A
diuretics d&v hyperaldosteronism (note reverse way round hypOkal with hypERal) refeeding syndrome salbutamol pyloric stenosis conn's and cushings insulin gitelman's (apparently med skl like this)
2
Q
symptoms of hypokalaemia
A
muscle weakness hypotonia hyperreflexia cramps muscle spasms palpitations lighheadedness consitpation
3
Q
ECG findings in hypokalaemia (5)
A
slighlty peaked p wave prolonged PR ST depression shallow T wave prominent U wave
4
Q
what drug must you be very wary of if hypokalaemic
A
digoxin!!!
5
Q
rx
A
mild: withdraw diuretics, give potassium supplements
if arrhythmia, muscle weakness, severe ketoacidosis: IV k
