435 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
true positives / disease ... FP + TN) = true negatives ... / disease absent ... / all negatives ... #calculations #diagnosis
Inflammatory bowel disease: Crohn disease compared to Ulcerative colitis 

#Crohns #Disease #Ulcerative #Colitis #Comparison #Table #Manifestations
Inflammatory bowel disease ... : Crohn disease ... Ulcerative #Colitis #Comparison ... Manifestations #Symptoms #Diagnosis ... #Management
Common Biliary Diseases seen in the Emergency Room - Comparison Table:

Clinical Features, Labs, Imaging and Treatment

#Diagnosis
Common Biliary Diseases ... Emergency Room - Comparison ... and Treatment #Diagnosis ... #Management #BiliaryDiseases ... Table #Approach #Comparison
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
• Autoimmune disease ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Differential #Diagnosis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Comparison #Table
Toxidromes
 • Anticholinergic
 • Cholinergic
 • Sympathomimetic
 • Sedative-Hypnotic
 • Opioid

by Dr. Lizzy Hastie @LizzyHastie

#Toxidromes #diagnosis
Sympathomimetic • Sedative-Hypnotic ... #Toxidromes #diagnosis ... #comparison #toxicology
Hypertrophic, Dilated and Arrhythmogenic Cardiomyopathy - Comparison

#Hypertrophic #Dilated #Arrhythmogenic #Cardiomyopathy #Comparison #Diagnosis #Management #Cardiomyopathies #Cardiology
Cardiomyopathy - Comparison ... Cardiomyopathy #Comparison ... #Diagnosis #Management
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
Syphilis - Diagnosis ... and Management ... 30-40%) - Negative ... Secondary #Tertiary #Comparison ... #Diagnosis #Management
Comparison of vaginal infections characterized by abnormal discharge

#diagnosis #management #table #signs #symptoms #comparison #differential
Comparison of vaginal ... discharge #diagnosis ... #management #table ... signs #symptoms #comparison
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
100%, then all negative ... proportion of negative ... that are true negatives ... , -1 = perfect negative ... #calculations #diagnosis