575 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
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
Common Biliary Diseases seen in the Emergency Room - Comparison Table:

Clinical Features, Labs, Imaging and Treatment

#Diagnosis
Common Biliary Diseases ... Emergency Room - Comparison ... Table: Clinical ... and Treatment #Diagnosis ... Table #Approach #Comparison
Inflammatory bowel disease: Crohn disease compared to Ulcerative colitis 

#Crohns #Disease #Ulcerative #Colitis #Comparison #Table #Manifestations
Inflammatory bowel disease ... : Crohn disease ... colitis #Crohns #Disease ... Ulcerative #Colitis #Comparison ... Manifestations #Symptoms #Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... 100%, then all negative ... proportion of negative ... #calculations #diagnosis
Signs of Graves disease: 
• Goiter 
• Periorbital edema 
• Non-pitting edema causing hyperpigmented plaques 
•
Signs of Graves disease ... ) #Graves #disease ... #Signs #Clinical ... #Photo #Diagnosis
Hand, Foot, & Mouth Disease

#Clinical #Photo #Peds #Pediatrics #HFMD #HandFootMouth #Disease #SkinRash
Foot, & Mouth Disease ... #Clinical #Photo ... HandFootMouth #Disease
Infectious Diseases Presenting with Rash

#InfectiousDisease #Infections #Rashes #Comparison #Table #Differential #Diagnosis
Infectious Diseases ... Infections #Rashes #Comparison ... #Differential #Diagnosis