55 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
== Decreased RBC ... Hypertriglyceridemia • Uremia ... turnover • Acute ... blood loss • ... Hemolytic anemia
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... (MCV): Average RBC ... in peripheral blood ... High in acute blood ... Algorithm #Diagnosis #Workup
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Diagnosis Algorithm Blood ... Loss • Acute ... • Anemia of Chronic ... Non-lmmune #Anemia
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... mimics, repeat testing ... • Acute onset ... (proteinuria, RBC ... #urology #blood
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... RBC) Morphology ... Iron-deficiency anemia ... Malignant tumors, Acute ... coagulopathy (DIC) #RBC
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... the peripheral blood ... including chronic blood ... Index > 3: • Acute ... blood loss: Trauma
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
INDICATIONS FOR TESTING ... • Peripheral blood ... evaluation or workup ... 1,500 cells/µL Workup ... organ-specific signs
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Diagnostic Tests: - CBC ... + Chemistry: Anemia ... Diagnostics: Culture (blood ... Diagnosis #Criteria #Workup ... #Testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... plateletcount), peripheral blood ... smear, HIV/HCV testing ... changes), high MCV anemia ... Diagnosis #Causes #Workup
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
of macrocytic anemia ... (RBC = red blood ... elevated, but anemia ... of the initial work-up ... Homocysteine #Algorithm #Workup