8 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... Shift Work) Sleep ... (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... evaluation or workup ... signs or symptoms (eg ... #diagnosis #hematology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... Algorithm Tumours ... Disease - Skull/spine ... • Bone Marrow Disorder ... Malignancy • Drugs (e.g
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Algorithm Mean ... (BM) ablative disorders ... of substrate (e.g ... #Diagnosis #Workup
Anxiety Disorders Associated with Panic - Differential Diagnosis Algorithm

Panic Disorder - Recurrent, Unexpected Panic Attacks
Specific Phobia
Algorithm Panic ... Specific Trigger (e.g ... for >6 months (e.g ... Work or School) ... Difficulty in Escape (e.g
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
altered colour e.g ... a generalized disorder ... nettle sting #Diagnosis ... #Terminology #Nomenclature ... #Atlas #Key #Basics
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... inflammatory disease (e.g ... Chemistry profile (e.g ... metabolic or endocrine disorders