1303 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #calculations #diagnosis ... #specificity #PPV ... #NPV
Pap Smear Algorithm 
#Diagnosis #Pap #Smear #Test #Cervical #HPV #Screening #PrimaryCare #Management #Vaccination #Gynecology
Pap Smear Algorithm ... #Diagnosis #Pap ... Test #Cervical #HPV
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
Spec -80% for IA, PPV ... < 50%, NPV > 90% ... Galactomannan #diagnosis
Genital Ulcer - Differential Algorithm
Painful
 - H. ducreyi (Chancroid)
 - HSV
Painless
 - T pallidum (Chancre)
 -
- Differential Algorithm ... Chlaymydia - HPV ... #Differential #Algorithm ... #Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... NPV: proportion ... sensitivity -> higher NPV ... #Epidemiology #Biostatistics ... #calculations #diagnosis
Diagnostic Algorithms for Microcytic, Normocytic and Macrocytic Anemia

#Microcytic #Normocytic #Macrocytic #Anemia #Algorithm #Comparison #Diagnosis
Diagnostic Algorithms ... Macrocytic #Anemia #Algorithm ... #Comparison #Diagnosis
Non-Invasive Ventilation (BiPAP) Algorithm - Indications and Contraindications
Indications for NIV:
 • COPD - pH <7.35, pCO2
Ventilation (BiPAP) Algorithm ... Indications for NIV ... Contraindications for NIV ... observation) #NIV ... Ventilation #BiPAP #Algorithm
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
sensitivity & 100% NPV ... #EBM #Diagnosis
Oral Cavity Lesions in a patient with HIV/AIDS
White plaque
 - Pseudo-membranous candidiasis
 - Oral hairy leukoplakia
Mass - Wart (HPV ... #Differential #Diagnosis ... #Algorithm #Schema
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
NegativePredictiveValue #NPV ... #Biostatistics ... #calculations #diagnosis