11 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... Did they receive antibiotics ... this be a non-bacterial ... BloodCultures #Diagnosis ... #Management #Algorithm
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... cases Drugs (antibiotics ... HepB, HepC Bacterial ... #Differential #Diagnosis ... #Dermatology #SkinRash
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... - Bacterial ... malignancies #Erythema ... #Differential #Diagnosis
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
- Differential Diagnosis ... Algorithm Congenital ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... #Hematology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Encephalitis and Bacterial ... - Differential Diagnosis ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... warmth, effusion, erythema ... : • Pain • Erythema ... endocarditis ... #Differential #Diagnosis
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
usually painful • Bacterial ... endocarditis ... Systemic #Secondary #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... reactions • Erythema ... gangrenosum • Bacterial ... endocarditis ... #nonpalpable #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
to meningitis, endocarditis ... the key to the diagnosis ... or clindamycin Antibiotic ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
Diagnosis? ... inoculation of virus ... onset of edema, erythema ... distinguish from bacterial ... Finger #clinical #photo