21 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... Infectious: • Acute ... or Chronic Inflammatory ... disorders • Celiac disease ... Iron deficiency anemia
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Blood Loss • Acute ... RBCs on Smear • Chronic ... • Anemia of Chronic ... Disease • Marrow ... Algorithm #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
• Rheumatoid Arthritis ... Fatigue • Acute ... Age > 50 • Chronic ... Algorithm #Causes #Hematology ... #Oncology
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... disease caused ... by Bartonella bacilliformis ... anorexia, ARDS ​• RBC ... severe hemolytic anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... consider malaria, bartonella ... ARUPLabs #Hemolytic #Anemia ... Diagnosis #Algorithm #workup ... #hematology #testing
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , deficiency anemia ... Vasculitides, IBD, Celiac disease ... • Infections: Chronic
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... deficiencies: Chronic ... kidney disease, ... Index > 3: • Acute ... Production #Index #hematology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
rheumatic fever • Chronic ... ), RA, crystal disease ... Inflammatory, crystalline disease ... hepatitis, herpes • Chronic ... #approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
, erythema and WBC ... the time course (acute ... noninflammatory Signs ... MONOARTHRITIS • Acute ... Diagnosis #MSK #rheumatology
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 ... Joint #Pain #MSK #rheumatology ... #approach #workup