894 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #specificity #PPV ... #NPV
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
sensitivity & 100% NPV ... #EBM #Diagnosis
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%
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. 

Source:  Does This
JAMA. 2015 Nov 10 ... #EBM #Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... NPV: proportion ... sensitivity -> higher NPV ... #Epidemiology #Biostatistics
Summary for providing acute non-invasive ventilation (NIV)

- Indications for NIV
- Contraindications for NIV
- NIV Setup
- NIV
non-invasive ventilation (NIV ... Indications for NIV ... Contraindications for NIV ... - NIV Setup - ... NIV Monitoring
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. Source: Fanaroff AC, Rymer
JAMA. 2015 Nov 10 ... #EBM #Diagnosis
HUGS – Haloperidol for Gastroparesis #EBM #EM #GI #Haloperidol #Gastroparesis #FOAMCast
Gastroparesis #EBM ... #EM #GI #Haloperidol
Summary of Evidence for Mechanical CPR for OHCA #EBM #EM #Prehosp #MechanicalCPR #Mechanical #CPR #OHCA
CPR for OHCA #EBM ... #EM #Prehosp #MechanicalCPR
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
Type2 #Errors #Biostatistics