214 results
Important Biostatistics and Epidemiology Equations

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

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... Specificity and Likelihood ... Characteristics #Table #Sensitivity
Draw a connecting your pre-test probability and your likelihood ratio. This provides you with your post-test
probability and your likelihood ... #EBM #Fagan #Nomogram
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. 

Source:  Does This
Syndrome - Diagnostic Likelihood ... #EBM #Diagnosis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Viral: HSV, EBV ... Nodosum #Mnemonic #Causes
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Spectrum of Disease → Sensitivity ... Specificity → Likelihood ... Step 4: Sensitivity ... to known scan sensitivity
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. Source: Fanaroff AC, Rymer
Syndrome - Diagnostic Likelihood ... #EBM #Diagnosis
Ohle R et al. Clinical Examination for Acute Aortic Dissection: A Systematic Review and Meta-analysis. AEM
Signs #Accuracy #Sensitivity ... VisualAbstract #EBM
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
cellulitis in cases ... has a negative likelihood ... VisualAbstract #EBM
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... Algorithm #Diagnosis #EM ... #IM #Causes #Nausea