34 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
negatives Positive Likelihood ... / (1 – Specificity ... ) Negative Likelihood ... ) / Specificity ... Sensitivity vs
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... , Specificity and ... Likelihood Ratios ... Characteristics #Table #Sensitivity ... #Specificity #LikelihoodRatio
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
, Specificity → ... Likelihood Ratio ... & Specificity ... and specificity ... Stewardship #ultrasound #management
The SALT Mass Casualty Triage Approach
 - SALT stands for “Sort, Assess, Lifesaving interventions, and Treatment
data regarding sensitivity ... , specificity, or ... #Management #Disaster ... MassCasualty #Incident #Algorithm
Chronic Hep B - How to screen for HCC
-q6 months ultrasounds
-Use of AFP has been found
lack adequate sensitvity ... nad specificity ... AASLD diagnostic algorithm ... : #Diagnosis #Management ... LiverNodule #Screening #Algorithm
Heparin Induced Thrombocytopenia (HIT) - Likelihood, Diagnosis and Management
 - HIT Suspected
 - Calculate 4T Score
Thrombocytopenia (HIT) - Likelihood ... Diagnosis and Management ... Thrombocytopenia #Algorithm ... #Diagnosis #Management
Step by Step Algorithmic Approach to Pediatric Fever

Age < 21 days old (or 28 days for
Step by Step Algorithmic ... days for improved sensitivity ... Peds #Diagnosis #Management ... #StepByStep #Algorithm
Point of Care Ultrasound for Appendicitis - Visual Abstract

Can emergency physicians diagnose appendicitis with high specificity
appendicitis with high specificity ... pubmed/29760840 Sensitivity ... 42.8% Specificity ... VisualAbstract #Accuracy #Sensitivity ... #Specificity #Likelihood
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
cutoff values for likelihood ... relationship between sensitivity ... /specificity and ... likelihood ratios ... #Specificity #LikelihoodRatios
Evidence supports the Ottawa ankle rules as an accurate instrument for excluding fractures of the ankle
instrument has a sensitivity ... 100% and a modest specificity ... #Diagnosis #Management