Renal 9 - Hyperkalaemia

Question 1

causes x 5 of hyperkal, x4 meds

Answer 1

AKI
chronic kidney disease
rhabdomyolysis
adrenal insufficiency
tumour lysis syndrome

spironolactone
ACEx
ARBs
NSAIDs

Question 2

inv hyperkal

Answer 2

U+E

pay close attention to urea, creat, eGFR as will need renal discussion for dialysis if extreme

ECG

(most commonly it’s a haemolysed sample, so check this first)

Question 3

ECG hyperkal

Answer 3

tall tented T
flattened P waves
broad QRS

Question 4

management of hyperkalaemia

Answer 4

change diet and meds if <6

if >6 + ECG changes, treat

if >6.5 always treat

insulin + dextrose infusion +calcium gluconate IV

Question 5

secondary options for treating hyperkal

Answer 5

neb salbutamol
IV fluids
oral calcium resonium
sodium bicarb
dialysis