13 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Count - Differential ... → Refer to hematology ... for workup, including ... Inflammatory Conditions: Rheumatologic ... Diagnosis #Algorithm #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Disorders - Differential ... Diagnosis and Workup ... procedures - Infection ... Risks factor for HIV ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... • HCV, HBV Not ... #Diagnosis #hematology ... #rheumatology #
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... with or without platelet ... inclusions - If infection ... Diagnosis #Algorithm #workup ... #hematology #testing
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Thrombocytopenia - Abnormal platelet ... - Trauma - Infection ... ITP - APLS - HIT ... deficiency Work
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
about bacterial infections ... - parvovirus, HIV ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Macrocytic anemia DDX ... Workup: • Complete ... blood count with differential ... Syndromes #diagnosis #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Elevated Tryptase - Differential ... Framework The DDx ... NSAIDs/Aspirin, IV ... • Parasitic infections ... #Diagnosis #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Calcium oxalate Infectious ... e.g., congenital hip ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... to exclude are infections ... CTD) • ANCA (Dx ... Cryoglobulins • HIV ... #diagnosis #rheumatology