11 results
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
- Differential Diagnosis ... Algorithm Insufficient ... Shift Work) Sleep ... Restless Legs Syndrome ... Excessive #Daytime #Fatigue
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
) Morphology Microcytic ... Chemotherapy (e.g ... Unstable hemoglobin disorders ... #diagnosis #hematology ... #microscopy #atlas
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... (BM) ablative disorders ... of substrate (e.g ... #Diagnosis #Workup ... #Hematology #Microcytic
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Drug Abuse (e.g ... • Somatization Disorder ... Syndrome #Chronic ... #Diagnosis #Algorithm
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Algorithm • Sickle ... other reproducible morphologic ... membrane disorder ... #Algorithm #workup ... #hematology #testing
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
sweats • Extreme fatigue ... Lymphocytosis on CBC ... lymphoproliferative disorders ... #workup #oncology ... #hematology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... - Fever - Fatigue ... - CBC may also ... #diagnosis #dermatology ... #oncology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Clinical evidence of (fatigue ... Differential Diagnosis ... . hematologic) ... titers > 1:80 • CBC ... Erythematosus #Diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... Symptoms: • Fatigue ... #diagnosis #hematology ... #oncology