13 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Dermatomyositis Erythema chronicum ... Hypersensitivity vasculitis ... #joint #pain #skin ... differential #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Autoimmune • ITP • SLE ... HUS • DIC • Vasculitis ... #Causes #Hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
rheumatic fever • Chronic ... Like in this case ... = RA, SLE, psoriatic ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
weeks) Can Be Caused ... arthritis • SLE ... Symmetrical: • RA • SLE ... Differential #Diagnosis #MSK ... #rheumatology #
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... RA, SLE, PRV, Chronic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... • Burns • Diarrhea ... Sleep Apnea • Chronic ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... vesicular eruption - Joints ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... Arthritis: • Joint ... arthropathy • 90% joints ... with Lupus: • Chronic ... Erythematosus #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... Eosinophilia, asthma, chronic ... tract, and often causes ... Palpable purpura, joint ... Differential #Diagnosis #Rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... Better call hematology ... some time, let’s see ... normal/high - Chronic ... #workup #hematology