16 results
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
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... • Reactive (e.g ... Enteropathic (e.g ... polyangiitis (GPA)/microscopic ... Enteropathic (e.g
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
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
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Algorithm Nodule ... Benign Neoplasm (eg ... cannonball lesions"; Eg ... • Rheumatoid Arthritis ... polyangiitis (GPA) / microscopic
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Algorithm Endocrine ... • Rheumatoid Arthritis ... • Drug Abuse (e.g ... • Somatization Disorder
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
heterogenous group of disorders ... specific patterns of morphologic ... vascular diseases (e.g ... with rheumatoid arthritis ... #Diagnosis #Radiology
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
- Differential Diagnosis ... Algorithm Pyuria ... Non-Gonococcal (e.g ... - Urethritis ... #Algorithm #Causes
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