Post-op Complications

Question 1

Immediate post op complications

<24hours

Answer 1

Haemorrhage

Reaction to anaesthesia

Question 2

Early post op complications

<30days

Answer 2

Pyrexia
Bedsore
VTE
Wound complications

Question 3

Late complications >30days

Answer 3

Weight loss
Osteoporosis
Anaemia

Question 4

What are some common post op complications?

Answer 4

Acute cerebrovasculaf event 
Acute MI
Pyrexia from atelectasis
Post op urinary retention
Renal impairment/failure
Delirium tremens
Secondary haemorrhage 
Chest/wound/urinary infection
DVT/PE
Wound dehiscence

Question 5

7C causes of fever

Answer 5

Chest
Catheter
CVP line
Cannula
Cut 
Collections
Calves

Question 6

Complications day 1-3 post operation

Answer 6

Basal lung atelectasis
Metabolic response to trauma
Drug reaction 
SIRS
Line infection

Question 7

3-5 days post op causes of fever

Answer 7

Urinary tract source

Question 8

5-7 days post operative causes of fever

Answer 8

Surgical site abscess/collection formation

Question 9

What does a SOFA score >2 indicate?

Answer 9

Sepsis

Question 10

QSOFA:
RR>22
Altered mental state
Systolic blood pressure <100

Answer 10

Indicates sepsis

Question 11

Reasons for fluid prescription

Answer 11

Resuscitation
Maintenance
Replacement

Question 12

In a 60kg male, what is the interstitial fluid volume?

Answer 12

60 x 2/3 =40 (total body water)
40 x 1/3 = 13 extracellular volume
13 x 4/5 = 10.4 interstitial volume

Question 13

Daily water requirements

Answer 13

25mL/kg/day

Question 14

Daily sodium and potassium requirements

Answer 14

1mmol/kg/day

Question 15

Glucose daily requirements

Answer 15

50g/day

Question 16

70kg healthy male maintenance regiment first bag

Answer 16

First bag: 500mL of 0.9% saline with 20mmol/L potassium over 8 hours

Question 17

Second bag

Answer 17

1L of 5% dextrose with 20mmol/L K over 8 hours

Question 18

Third bag

Answer 18

500mL of 5% dextrose with 20mmol/L k over 8 hours

Question 19

Cause of high urine osmolity and low serum osmolity

Answer 19

SIADH

Question 20

Cause of low urine osmolality and high serum osmolality

Answer 20

Diabetes insipidus

Question 21

High urine osmolality and normal/high serum osmolality

Answer 21

Compensatory mechanism 
Dehydration 
Renal disease and uraemia 
CHF
Addison’s disease
Hypercalcaemia
Diabetes mellitus/ hyperglycaemia
Hyper at semis
Mannitol therapy
Alcohol ingestion

Question 22

Cause of low urine osmolality and decreased serum osmolality

Answer 22

Over hydration
Hyponatraemia
Adrenocortical insufficiency