50 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics ... #specificity #PPV ... #NPV
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Calculation #Table #PPV ... #NPV #Formulas ... #Statistics #Matrix
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo - Differential ... Central #Algorithm #BPPV ... #Differential #
Back to Basics: Postpartum Hemorrhage

#Diagnosis #Management #Postpartum #Hemorrhage #PPH #4Ts #Differential
Postpartum #Hemorrhage #PPH ... #4Ts #Differential
Genital Ulcer - Differential Algorithm
Painful
 - H. ducreyi (Chancroid)
 - HSV
Painless
 - T pallidum (Chancre)
 -
Genital Ulcer - Differential ... Chlaymydia - HPV ... Genital #Ulcers #Differential
Causes of Post-Partum Fever - Differential Diagnosis Algorithm
6 W's for causes of PPF
 - Wind: pneumonia,
Post-Partum Fever - Differential ... for causes of PPF ... PostPartum #Fever #PPF ... #Differential #
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
#Prolonged #PPT ... #PT #INR #Differential
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... • Statistical ... #Basophilia #Differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
ST elevation: Differential ... in aVR > 0.7: ppv ... NPV = 95% 4. ... diagnosis #ekg #differential
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
PositivePredictiveValue #PPV ... Biostatistics #statistics