19 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... deficiency • Liver ... #Diagnosis #hematology ... #rheumatology #
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... : • Liver disease ... #Anemia #Differential ... classification #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Renal Disease Vascular ... Iatrogenic) • Liver ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... • Bleeding • Hemolysis ... Renal Disease, Liver ... #Hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Non-bloody: OA, avascular ... Like in this case ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Avascular necrosis ... • Differentiate ... #diagnosis #causes ... #hematology
MCP Synovitis on Ultrasound
Young rheumatology patient. Florid synovitis of the MCP joint with effusion on dynamic
Young rheumatology ... synovitis of the MCP joint ... Synovitis #Metacarpal #MSK ... #Ultrasound #POCUS ... #Clinical #Joint
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
Gout Tophus on POCUS ... away from bone/joint ... tophi #clinical #POCUS ... #ultrasound #msk ... #rheumatology #
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm Vascular ... Causes of Acute ... injury #hepatitis #differential ... diagnosis #algorithm #hepatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... osteopetrosis, avascular ... #Pain #MSK #rheumatology ... approach #workup #differential