15 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... iron deficiency anemia ... myeloma Rouleaux: Chronic ... Multiple myeloma, Chronic ... hematology #microscopy #atlas
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... : • Acute or chronic ... necrosis, and Paget disease ... rheumatology #approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
, erythema and WBC ... acute/subacute/chronic ... Rheumatologic Disease ... whippleii (Whipple's disease ... burgdorferi (Lyme disease
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... rheumatic fever • Chronic ... ), RA, crystal disease ... #Joint #Pain #MSK ... rheumatology #approach #workup
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Septic Arthritis ... hot, swollen, pain ... necrosis, Lyme disease ... Workup: arthrocentesis ... parenteral Abx, Orthopedics
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... Screening Tests for Chronic ... , and low back pain ... #laboratory #workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract: abdominal pain ... gut -> abdominal pain ... , testes -> pain ... Lab Tests: • CBC
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, inflammatory arthritis ... : • Joint pain ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC ... with Lupus: • Chronic
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Lymphocytosis on CBC ... cells can indicate disease ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... • Periodontal disease ... Pleuritic chest pain ... Diagnosis: • CBC ... Leukocytosis, anemia