1083 results
Common Childhood Exanthems - Differential Diagnosis
1) Rubeola (Measles) - Measles morbillivirus (MeV)
2) Scarlet Fever - Streptococcus
Diagnosis 1) Rubeola ... Streptococcus pyogenes 3) Rubella ... German measles) - Rubella
Congenital Infections - Comparison Table:
Infections: Toxoplasma, Rubella, CMV, Treponema, Parvovirus B19, VZV, Herpes, Enterovirus
Manifestations: Anemia, Bony
Congenital Infections - Comparison ... Infections: Toxoplasma, Rubella ... Congenital #Infections #Comparison
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
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 ... Fastidious: Nocardia, Brucella ... Fastidious: Bartonella, Brucella ... AnnKumfer #Culture #Negative
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
Rubella (German Measles)
Rubella, also called German measles, often presents with a mild febrile illness with a
Rubella (German ... Measles) Rubella ... lymphadenopathy #Rubella
Toxidromes
 • Anticholinergic
 • Cholinergic
 • Sympathomimetic
 • Sedative-Hypnotic
 • Opioid

by Dr. Lizzy Hastie @LizzyHastie

#Toxidromes #diagnosis
Sympathomimetic • Sedative-Hypnotic ... Toxidromes #diagnosis #comparison
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... cause of culture negative ... , Bartonella, Brucella ... #Endocarditis #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
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