3833 results
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
Sensitive Tests that are ... Specific Tests that are ... Type2 #Errors #Biostatistics
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
ConfusionMatrix #Biostatistics
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
LRs #diagnosis #biostatistics
Flail Chest on Physical Exam
Flail chest after 3 or more ribs are broken in 2 areas
3 or more ribs are ... broken in 2 areas ... respiratory #clinical #video
Aphasia - Pathophysiology and Clinical Findings
Broca's Aphasia - Expressive language impairment: non-Fluent
 - Sensory speech areas
Sensory speech areas ... function of Broca's Area ... of nearby motor areas ... of other nearby areas ... of Wernicke's Area
Left ventricular aneurysm seen during open heart surgery 

A large fibrotic area marks the ischemic region,
large fibrotic area ... CTS #clinical #video
Misinterpretation of the P-value 

P-value - Probability for a given statistical model under the null hypothesis
Misinterpretation #biostatistics
Oppenheim's Sign on Physical Exam

There are some alternative maneuvers to search for the classic Babinski sign,
Exam There are ... In the video I show ... Neurology #clinical #video