Flashcards in SPM Deck (20):
abducts, intorts, and depresses while adducted
How do you test IO?
IOU. IO tested by looking UP
How do you test obliques?
Obliques go OPPOSITE. Left SO and IO tested with patient looking RIGHT.
CN IV damage
eyes move UP and head tilt toward side of lesion
ABI for rigid arteries?
greater than 1.4
0.9 or less
breathe in, pulse faster weaker
breathe out, pulse stronger, slower
cases of disease/population at time
expressed as a number per 1,000 or 100,000
new cases of disease/number of people at risk
number of people who die from a particular disease/total people with that disease
gives sense of SEVERITY
denominator = prevalence
use cohort study-- start with DISEASE FREE
A/A+B - C/C+D
AR = 0 exposure does not increase risk
A/A+ B DIVIDED by C/C+D
RR= 1 exposure does not increase risk
makes test more specific - reduction in sensitivity, increase false negatives
make test more sensitive - reduction in specificity, increase false positive
What is relationship of PPV and disease prevalence?
As PPV increases, disease prevalence increases.