Your Name: Nowlan Selvapatt

Theme: Potassium Handling

OPTION LIST

A	Renal Failure	I	Haemolysis
B	Use of diuretics	J	Vomiting
C	Severe tissue damage	K	Fistula
D	Addisonian crisis	L
E	Renal tubular acidosis	M
F	Use of corticosteroids	N
G	Diarrhoea	O
H	Drip arm sample	P

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

1. A 23 year old male patient presents to GI outpatients clinic following disturbances since his return from a one month trip to India. Routine bloods reveal that he is mildly hypokalaemic. Results of rigid sigmoidoscopy were normal.

2. A 46 year old female presents with confusion and complains of hallucinations. On further questioning she reveals that she has been feeling generally tired and weak for the last 8 weeks. During this period she has lost 8 kg in weight. Her past history revealed an episode of TB 22 years ago. Her electrolyte results revealed Sodium 105 mmol/l; potassium 5.5 mmol/l and osmolality 220 mmol/l.

3. A 78 year old male presents with hypokalaemia. He has previously been diagnosed with congestive heart failure, which has been controlled with medication. Serum sodium was 126 mmol/l and bicarbonate was raised.

4. A 35 year old male body builder presents to his GP surgery with genital atrophy. Routine blood tests reveal that the patient is hypokalamic.

5. A 19 year old female patient presents to A&E with severe dehydration, and is rapidly infused. Blood samples obtained by a trainee nurse reveals gross hyponatraemia. Glucose levels was also raised markedly.

ANSWERS

1. G

2. D

3. B

4. F

5. H