10 results
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Pericarditis - Differential ... Bacterial: • Mycobacterium ... • Rheumatoid arthritis ... Systemic lupus erythematosus ... Metabolic: • Uremia
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Manifestations: - Arthritis ... - Hemolytic anemia ... (aPL) 30-45% Differential ... #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... bacilli (19%) - Mycobacterium ... Effusions: - Hematologic ... Osteochondroma Hematologic ... #diagnosis #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, inflammatory arthritis ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... lymphopenia, low PLT • Anemia
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM ... belonging to the Mycobacterium ... Hematologic malignancy ... Bone Marrow - Anemia ... #Infections #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Lyme disease) • Mycobacterium ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Systemic lupus erythematosus ... the presence of anemia ... #laboratory #workup ... diagnosis #testing #Rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
#Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential # ... diagnosis #arthritis
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... (RA, Temporal arteritis ... Thalassemia, Sickle cell anemia ... Gap #ProteinGap #differential ... #diagnosis #hematology