Post-op Complications Flashcards
Immediate post op complications
<24hours
Haemorrhage
Reaction to anaesthesia
Early post op complications
<30days
Pyrexia
Bedsore
VTE
Wound complications
Late complications >30days
Weight loss
Osteoporosis
Anaemia
What are some common post op complications?
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
7C causes of fever
Chest Catheter CVP line Cannula Cut Collections Calves
Complications day 1-3 post operation
Basal lung atelectasis Metabolic response to trauma Drug reaction SIRS Line infection
3-5 days post op causes of fever
Urinary tract source
5-7 days post operative causes of fever
Surgical site abscess/collection formation
What does a SOFA score >2 indicate?
Sepsis
QSOFA:
RR>22
Altered mental state
Systolic blood pressure <100
Indicates sepsis
Reasons for fluid prescription
Resuscitation
Maintenance
Replacement
In a 60kg male, what is the interstitial fluid volume?
60 x 2/3 =40 (total body water)
40 x 1/3 = 13 extracellular volume
13 x 4/5 = 10.4 interstitial volume
Daily water requirements
25mL/kg/day
Daily sodium and potassium requirements
1mmol/kg/day
Glucose daily requirements
50g/day
70kg healthy male maintenance regiment first bag
First bag: 500mL of 0.9% saline with 20mmol/L potassium over 8 hours
Second bag
1L of 5% dextrose with 20mmol/L K over 8 hours
Third bag
500mL of 5% dextrose with 20mmol/L k over 8 hours
Cause of high urine osmolity and low serum osmolity
SIADH
Cause of low urine osmolality and high serum osmolality
Diabetes insipidus
High urine osmolality and normal/high serum osmolality
Compensatory mechanism Dehydration Renal disease and uraemia CHF Addison’s disease Hypercalcaemia Diabetes mellitus/ hyperglycaemia Hyper at semis Mannitol therapy Alcohol ingestion
Cause of low urine osmolality and decreased serum osmolality
Over hydration
Hyponatraemia
Adrenocortical insufficiency
