27 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... evaluation or workup ... 1,500 cells/µL Workup ... signs or symptoms (eg ... Disorders #Algorithm #Differential
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Daytime Sleepiness - Differential ... Shift Work) Sleep ... Hypoventilation Syndrome Medical ... Disorders • Neurologic
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... herniation • Anatomic ... Manifestations: • Infection ... #Back #Pain #Differential ... #Diagnosis #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... procedures - Infection ... function test, ANA (e.g ... (CVID, WAS), (neurologic
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... • Malignancy Infectious ... • Rheumatoid Arthritis ... Pulmonary Disease Neurologic
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... lyme • Altered mental ... lesion • CNS infection ... ) • Temporal arteritis ... Diagnosis #Algorithm #neurology
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Systemic N - Neurologic ... Thrombosis, Giant Cell Arteritis ... Hypoglycemia Anatomy ... #causes #primary
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
requires special media ... but important causes ... factors: - Serology ... special stains (e.g ... Endocarditis #diagnosis #differential
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... amphetamines) Toxic: • Radiologic ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... Diagnosis #Management #Workup