10 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the proportion ... Specificity is the proportion ... it has a narrow focus ... Table #PPV #NPV #Formulas
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
systematic error Correlation ... perfect positive correlation ... perfect negative correlation ... , 0 = no correlation ... Biostatistics #formulas
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval is inversely proportional ... rate • Bazett formula ... are multiple QTc correction ... formulas • Prolonged
A complex heterogenous fluid collection (*) and scrotal wall thickening (arrow) #Clinical #EM #Urology #Radiology #POCUS
heterogenous fluid collection ... arrow) #Clinical #EM ... Urology #Radiology #POCUS
Subcutaneous abscess characterized by a mixed echogenicity fluid collection with irregular borders (yellow arrows) #Clinical #EM
echogenicity fluid collection ... arrows) #Clinical #EM ... #POCUS #Abscess
Pleural effusion visualized as an anechoic fluid collection located cephalad to the arrows. #Clinical #EM #Radiology
anechoic fluid collection ... #Clinical #EM #Radiology ... #PCC #POCUS #Lung
Hyperemic epididymis suggestive of epididymitis (E) and a complex fluid collection with internal echoes and septations
complex fluid collection ... pyocele #Clinical #EM ... Urology #Radiology #POCUS
POCUS - Pyomyositis - Transverse Axis - A collection that is not acute may not appear
POCUS - Pyomyositis ... Transverse Axis - A collection ... large mass like collection ... #Clinical #EM #Radiology ... #Ortho #POCUS #
POCUS - Pyomyositis - Long Axis - A collection that is not acute may not appear
POCUS - Pyomyositis ... Long Axis - A collection ... large mass like collection ... #Clinical #EM #Radiology ... #Ortho #POCUS #
To evaluate the hip for an effusion with POCUS begin just medial to the ASIS, in
effusion with POCUS ... as an anechoic collection ... Clinical #Anatomy #EM ... Radiology #Ortho #POCUS