30 results
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency ... FalseNegative #Contingency ... ConfusionMatrix #Biostatistics
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #specificity #PPV ... #NPV
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... prevalence is low, then PPV ... specificity -> higher PPV ... #Epidemiology #Biostatistics
Posterior Polar Cataract (PPC) - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#PPC #Posterior #Polar #Cataract #Lens
Polar Cataract (PPC ... @oftalmopo #PPC ... PhysicalExam #clinical #video
Persistent Pupillary Membrane (PPM) on Slit Lamp Ocular Examination

This membrane would be a remainder of the
Pupillary Membrane (PPM ... @oftalmopo #PPM ... PhysicalExam #clinical #video
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
PositivePredictiveValue #PPV ... #Biostatistics
DIY Respirator

Innovative technique to create a cheap, reusable, elastomeric respirator for use during critical N95 supply
brie_slatnick Video ... Facemask #N95 #PPE
COVID-19 Intubation Checklist

Personal protective equipment (PPE)
 • Standard PPE
   • N95 or PAPR.
protective equipment (PPE ... ) • Standard PPE ... Stuff • Video ... Meticulous removal of PPE ... after removal of PPE
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
a dual-chamber PPM ... JVP #Clinical #Video
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
NegativePredictiveValue #NPV ... #Biostatistics