89 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... arthritis - (Reiter’s syndrome ... #Disorders #msk ... #Differential #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
about bacterial infections ... infection. ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... Diagnosis Algorithm Infection ... • Metabolic disorders ... Myeloproliferative Disorder ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... - Markers and Differential ... Amy Chung, MD, MSc ... #hematology #Markers ... #Differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Antiphospholipid-antibody syndrome ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia - Differential ... infiltration • Infection ... Connective tissue disorders ... Thrombocytopenia #Differential ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #Diagnosis #hematology ... #rheumatology #
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... : • Chronic infections ... • Inflammatory disorders ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... Thrombocytosis): • Acute infection ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology