132 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
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
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
it has a narrow focus ... Calculation #Table #PPV ... #NPV #Formulas
â–º
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. Source: Fanaroff AC, Rymer
JAMA. 2015 Nov 10 ... #EBM #Diagnosis
Point-of-care lung ultrasound for diagnosis of Pneumocystis jirovecii pneumonia: notes from the field
Table 3: Description of
ultrasound findings #EBM ... #Diagnosis #POCUS
Biliary POCUS for Cholecystectomy - Visual Abstract
What is the predictive value of biliary POCUS in terms
Biliary POCUS for ... value of biliary POCUS ... podcast/biliary-pocus-surgical-referral ... Cholecystectomy #POCUS ... ultrasound #diagnosis #ebm
Cardiac POCUS.  #diagnosis #em #cardiology #pocus
Cardiac POCUS. ... #diagnosis #em # ... cardiology #pocus
Practice Guidelines for Preoperative Fasting

Infographic by Dr. Jesse Burk-Rafel
@jbrafel

> 8 hours - Heavy foods (fried/fatty) and
0-2 hours - NPO ... articleid=2596245 #NPO ... Hours #Timeline #EBM