43 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
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Causes of Anemia ... - Differential Diagnosis ... Normal Blood Smear ... #Differential #Diagnosis ... #Algorithm #Causes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
ordering a peripheral smear ... patients with macrocytosis ... the most likely cause ... recovery also causes ... #Diagnosis #Macrocytosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Normochromic RBCs on Smear ... Deficiency • B12 ... Spherocytes on Smear ... #Algorithm #Causes
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
If persistent macrocytosis ... Monitor & correct B12 ... (B12, MMA) for ... /other causes • ... IBD #Algorithm #diagnosis
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
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Hemolytic Anemia 1) DIAGNOSE ... C3d • Blood smear ... 2) LOOK FOR a cause ... Hemolytic #Anemia #diagnosis ... #management #treatment
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
She was diagnosed ... hospitalization and treatment ... peripheral blood smear ... Clinical #Path #BloodSmear ... #Blood #Smear #
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
LBRF can be diagnosed ... can be used for diagnosis ... Treatment is tetracycline ... initiation of treatment ... #recurrentis #BloodSmear
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... hypersegmented neutrophils, macrocytosis ... Check for IF ab Treatment ... consider other diagnosis ... Cobalamin #Deficiency #diagnosis
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
Trypanosomiasis - Diagnosis ... infectious disease caused ... positive serology, smear ... thick peripheral smears ... Trypanosomiasis #Diagnosis
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Hematologic disease caused ... Incubation period: 3-12 ... Nodular → Mular DIAGNOSIS ... phase: Peripheral smear ... TREATMENT: ​• Acute