42 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... of Chronic Disease ... of Chronic Disease ... Renal Disease, Liver ... #Hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
acute rheumatic fever ... • Chronic - Think ... #Joint #Pain #MSK ... approach #workup ... #differential #
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Rheumatic Fever ... • Rheumatic Fever ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
disease, Acute ... : Alcohol use, Liver ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
- Differential ... : Anemia, Arrhythmia ... poisoning, DKA, Fever ... Depression - VA Joint ... #Causes #Differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... disease, decrease ... changes), high MCV anemia ... disease), HBsAg ... #Workup #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... bartonella (oroya fever ... Diagnosis #Algorithm #workup ... #hematology #testing
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Dermatomyositis Erythema chronicum ... • Rheumatic fever ... #joint #pain #skin ... #rashes #differential
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Neoplastic / Hematologic ... • Anemia • ... Obstructive Pulmonary Disease
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Iron deficiency anemia ... discoloration) • Liver ... discoloration) • Chronic ... #Differential # ... Diagnosis #Algorithm #causes