Picked up on ward rounds Flashcards
How much cortisol do we produce a day
5mg
Why dont you stop steroid treatment immediately
As they have been on a high level of steroids they have suppressed their ACTH production and so adrenals will have stopped producing cortisol( as using exogenous steroids) for a long time so may have trouble starting again- weaning off allows adrenals to slowly start up again. RISK OF ADDISONIAN CRISIS
Whats FiO2
Fraction of inspired oxygen- 20.9 in a room
How to calculate FiO2
20+(4xLPM)
What is compensated vs decompensated liver disease
Compensated means are showing no symptoms
What is erythema
Redness of skin from increased blood flow- cause can be anything including infection
What is an example of soft sign of sepsis
Diarrorhoea
What is a serious problem associated with chemo
Risk of infection from lines when its making you immunocompromised already
How would viral infection appear on FBC
CRP raised but normally above 50
WCC can be elevated or low
Causes of low white blood cell count
Bone marrow B12 or folate deficiency Infection Spleen problems Autoimmune Medicines like antibiotics
What is sepsis
A life threatening organ dysfunction due to a dysregulated infection response
What is SIRS
Severe inflammatory response syndrome
What is criteria for diagnosing SIRS
`Temperature above 38 or below 36 HR above 90 RR above 20 PaCO2 above 32 Raised or lowered WCC
What is qSOFA
New criteria for diagnosing sepsis
- SBP <100mmHg
- GCS 13 or below
- tachypnoea >22
How is sepsis now diagnosed
Infection with qSOFA above 2