17 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Biostatistics #statistics ... #Epidemiology #Equations
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Biostatistics #statistics ... #Epidemiology #Equations
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Biostatistics #statistics ... #Epidemiology #Equations
Linear Rash in the Returning Traveler - Differential Diagnosis
Infectious:
 • Cutaneous larva migrans
 • Scabies (Sarcoptes
Returning Traveler - Differential ... Creeping helminthic eruptions ... Returning #Traveler #Differential
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Biostatistics #statistics ... #Epidemiology #Equations
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Biostatistics #statistics ... #Epidemiology #Equations
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... of alveolar gas equation ... of alveolar gas equation ... Failure #hypoxia #Differential
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Pustular Localised Eruptions ... Pustular Diffuse Eruptions ... Acneiform eruptions ... Skin #Lesions #Differential
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Morbilliform Drug Eruptions ... Rash #oncology #differential
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... • Statistical ... #Basophilia #Differential