9 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Parvovirus - Hepatitis ... Effusions: - Hematologic ... Osteochondroma Hematologic ... #diagnosis #msk
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Epstein-Barr Virus • Hepatitis ... • Rheumatoid Arthritis ... Obstructive Pulmonary Disease
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... Psoriasis • Hepatitis ... • Hematoma ... lower #extremity #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
parvovirus, HIV, hepatitis ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... B19 • HIV • Hepatitis ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... IgM) levels • Hepatitis ... ) • Hepatitis ... #laboratory #workup
SLE (Systemic Lupus Erythematosus)

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