14 results
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary Amenorrhea ... - Differential ... positive progesterone challenge ... Radiation • Infection ... #Differential #
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... infiltration: malignancy, infection ... valve replacement, endocarditis ... Thrombocytopenia #Differential ... Diagnosis #Framework #hematology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... • Infection with ... Negative #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... APLS • Acute Infectious ... • Bacterial endocarditis ... #rheumatology #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Parenchyma: • Infection ... Kaposi's sarcoma • Rheumatologic ... regurgitation, Tricuspid endocarditis ... #Hemoptysis #Differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... - Autoimmune Rheumatologic ... • Bacterial endocarditis ... #Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Night Sweats - Differential ... Lung abscess, Endocarditis ... , Other infection ... Orchiectomy • Rheumatologic ... Night #Sweats #Differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... Subacute bacterial endocarditis ... fever - Bacterial endocarditis ... #joint #pain #differential ... #diagnosis #rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... pulmonary symptoms • Rheumatologic ... 50% in chronic infection ... arthritis, and endocarditis ... ) #Mycoses #InfectiousDiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... #Differential # ... Diagnosis #cardiology #infectiousdiseases