35 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Vascular System ... TeIangiectasia Vascular ... Diagnosis #Algorithm #Causes ... #Hematology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
: - Vascular ... • Biliary Disease ... • Peptic Ulcer Disease ... • Trauma - Neurologic ... ChestPain #Noncardiac #Cardiology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Family history, ultrasound ... Nephronophthisis Vascular ... KidneyDisease #Nephrology ... Diagnosis #Algorithm #Causes
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
Behcet's Syndrome - Treatment ... Ulcers: • Treatment ... immunosuppressive meds) Vascular ... #Syndrome #Treatment ... #pharmacology #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lymphoproliferative disease ... • Metastatic disease ... Neuro Behcets Vascular ... differential #diagnosis #causes ... #radiology #neurology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... PT, aPTT(liver disease ... (CVID, WAS), (neurologic ... bypass), LFT (liver disease ... #Workup #hematology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Avascular necrosis ... Pain #SickleCell #Disease ... #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Abnormal Abdominal Ultrasound ... Cyanotic Heart Disease ... Diagnosis #Algorithm #Causes ... #Hematology