27 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
Approach to a Positive ... • Rheumatoid arthritis ... disorders: • Chronic ... #laboratory #differential ... #diagnosis
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
variant • fetal ... diphosphoglycerate: • pregnancy ... • chronic ... #Shift #Differential ... #Causes #Diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... up with pain at night ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Diagnosis Algorithm ... • Rheumatoid Arthritis ... Fatigue • Acute ... Age > 50 • Chronic ... #Causes #Hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Diagnosis Algorithm ... Idiopathic - Chronic ... Septicemia • Gram Positive ... • Rheumatoid Arthritis ... #Causes #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Diagnosis Algorithm ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... Hypothyroid • Pregnancy ... #Causes #Hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... : • Acute or chronic ... Joint #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Causes of Night ... Sweats - Differential ... Diagnosis • Malignancy ... Orchiectomy • Rheumatologic ... angina, Anxiety, Pregnancy
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... Acute • Myloid ... T-cell - CD7, CD3 Chronic ... ) - CD38(new), Light
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
Chronic CPP Crystal ... • Weakly positively ... culture used to diagnose ... Gout #Comparison #rheumatology ... #Diagnosis