Pathology EMQ template.

Name: SwordsChl

Theme: Acid base

 

OPTION LIST

 

A	pH 7.05 PaCO2 5.8kPa HCO3- 8mmol/L Anion gap 34mmol/L	I
B	pH 3.5 PaCO2 4.5kPa HCO3- 24mmol/L	J
C	pH 7.37 PaCO2 5.0kPa HCO3-27mmol/L	K
D	pH 7.5 PaCO2 6.5kPa HCO3- 37mmol/L	L
E	pH 7.05 PaCO2 5.8kPa HCO3- 8mmol/L anion gap 14mmol/L	M
F	pH 7.52 PaCO2 26mmHg HCO3- 22mmol/L	N
G	pH7.33 PaCO2 10.3kPa HCO3- 40mmol/L	O
H		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. 4 week old boy presents with vomiting. The mother is complaining because it is fluorescent and stained her sofa which she said is on the other side of the room.

 

2. A 33 year old woman complains that whenever she tries to leave the house her heart starts racing and she gets unbearable tingling in her hands. On one such occasion a neighbour rushes her to hospital.

 

3. A young girl known to the child protection team presents with ringing ears after claiming to have taken an overdose.

 

4. A lean and fatigued elderly woman visits her GP. The medical student notices she has pigmented palmar creases.

 

5. An 65yo man with a 50 pack year smoking history is likely to develop

 

ANSWERS

1. D pyloric stenosis

2. F anxiety hyperventilation

3. A OD salicylate

4. E Addison’s

5. G COPD (compensated)