12 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infection with ... requires special media ... ) • Infection with ... Diseases Fellows ... diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... likely it will be clinically ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... #diagnosis #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Diagnosis for Pulmonary ... allopurinol), Infection ... Bronchoscopy with serial ... DAH, rule out infection ... #diagnosis #nephrology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Diagnosis Algorithm ... • Chronic Infection ... Dermatomyositis • Viral infection ... Peripheral #Weakness #Neurology ... Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... - Trauma - Infection ... Disseminated gonococcal infection ... Measurement of antinuclear ... #Diagnosis #Algorithm
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... • Endocarditis ... Chronic Obstructive Pulmonary ... Disease Neurologic ... #Diagnosis #Algorithm
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
: Serial negative ... valve pathology, History ... large infarct - Infectious ... Diseases Fellows ... #comparison #infective
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... syndrome - SLE Neurologic ... Cardiomyopathies - Viral infection ... #joint #pain #differential ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... primary condition MEDIUM ... affects the skin, neurologic ... , recent viral infection ... #Diagnosis #Rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
50% in chronic infection ... weeks for acute infection ... infection • Cough ... infection (~40% ... arthritis, and endocarditis