29 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
disorders of Liver & Lung ... Malignancies • Aging ... #Factor #RF #rheumatology ... #laboratory #differential ... #diagnosis
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
pain / swelling ... • Ultrasound Diagnosis ... : CLINICAL DIAGNOSIS ... #Arthritis #diagnosis ... #management #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... rheumaticum • Rheumatic ... #differential # ... diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... at night Pain ... #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... • Interstitial lung ... • Shrinking lung ... #pain #differential ... #diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Generally affects long ... • Differentiate ... #Disease #differential ... #diagnosis #causes ... #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... in persons with rheumatoid ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
point (hard to ... Extremities - Right ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... bacterial), acute rheumatic ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Diagnosis Framework ... Fever/Chills/Joint ... pain/Night sweats ... #diagnosis #msk