EMQ Pathology

Hospital Aquired Infection

A	MRSA	I	Negative pressure therapy
B	Isolation	J	Staphylococcus aureus
C	Clostridium difficile	K	VRE
D	Legionella	L	Salmonella
E	Aspergillus	M	Pneumocystis pneumonia
F	Hand Hygiene	N	E-Coli
G	Pseudomonas aeruginosa	O	Glucose Control
H	Herpes Simplex	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. 1 in 10 inpatients suffer from hospital acquired infection in the UK. What is the most effective method of reducing hospital acquired infection and the transmission of resistant organisms?

2. A 12 year old with severe asthma is admitted to the respiratory ward at his local hospital. During his time there he was fascinated by the massive cranes outside his window where the old hospital wing was being demolished. However a few days later he seemed disinterested and tired. He developed a fever, worsening chest pain, coughing and breathlessness. What is the causative organism?

3. A 63 year old diabetic lady is admitted to hospital after becoming unconscious. A medical student inserts a urinary catheter to aid urinary outflow. On the 6th day milky urine is found to be collecting in the catheter bag. Results from the lab show a gram negative rod shaped bacteria. What is it?

4. A 69 year old man undergoes an aortic valve replacement. After surgery he is taken to ITU and is put on ventilation. After 5 days he is taken off ventilation and a tracheosotomy is inserted. He develops a fever and his respiratory rate shoots up. Sputum collected showed a gram positive cocci. Treatment with methicillin and flucoxacillin shows no improvement in his condition. What is the causative organism?

ANSWERS

1. F

2. E

3. N

4. A