Miscellaneous Flashcards
1
Q
How do you calculate cerebral perfusion pressure?
A
CPP = MAP - ICP
TARGET 40-60mmHg
2
Q
What is the grading of clinical evidence in research?
A
Ia: systematic review or meta-analysis
Ib: at least one RCT
IIa: at least one good controlled study without randomisation
IIb: at least one good quasi-experimental study E.g. cohort study
III: good non-experimental descriptive study: case control, comparative, correlation, or case series.
IV: expert committee reports, opinions or experiences of respected authorities
3
Q
What are the common features of decompression sickness?
A
Joint pain (upper limb>lower limb) - st are often worse with flying
Skin rash
Neurological (more severe) - numbness, confusion, loss of short term memory, spinal defects
