1047 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... as a cause of a negative ... Auto-Inflammatory: PAPA, SAPHO ... Auto-Inflammatory: SAPHO ... AnnKumfer #Culture #Negative
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
SAPHO Syndrome Summary ... SAPHO syndrome is ... affected areas and if negative ... oral retinoid • SAPHO ... #SAPHO #Syndrome
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Pleomorphic gram-negative ... Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Patterns #Diagnosis #Comparison
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
FP + TN) = true negatives ... all positives Negative ... FN + TN) = true negatives ... / all negatives ... Specificity) Negative
Toxidromes
 • Anticholinergic
 • Cholinergic
 • Sympathomimetic
 • Sedative-Hypnotic
 • Opioid

by Dr. Lizzy Hastie @LizzyHastie

#Toxidromes #diagnosis
Sympathomimetic • Sedative-Hypnotic ... Toxidromes #diagnosis #comparison
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Endocarditis Native ... epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Systemic infection Native ... Staphylococcus lugdunensis Native ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative
REBEL Review 46: Corticosteroid Conversion Chart 

Glucocorticoid, Approximate Equivalent Dose (mg), Relative Anti-Inflammatory (Glucocorticoid) Potency, Relative
Equivalent Dose (mg), Relative ... Glucocorticoid) Potency, Relative ... endocrinology #comparison
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... R) or entirely negative ... Positive or negative ... Aberration #Aberrancy #Comparison
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... clinical #diagnosis #comparison