34 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #Testing #HIT #HINTS
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... pylori test (GI symptoms ... (CVID, WAS), (neurologic ... #Differential #Diagnosis ... #hematology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
acute ischemic disorder ... thrombosis of short posterior ... Doppler US : halo sign ... efficacy of GCs Abnormal ... Ophthalmology #Diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Vascular disorders ... Occlusion of posterior ... signs or symptoms ... #differential #diagnosis
Post-Transplantation Lymphoproliferative Disorders (PTLD)
Definition: Lymphoid and/or plasmacytic proliferations that occur as a result of immunosuppression in
Lymphoproliferative Disorders ... , unexplained hematologic ... EBV viral load, signs ... to 50% of PTLD cases ... #oncology #diagnosis
Inherited Non-hemolytic Disorders of Hyperbilirubinemia 

== Disorders of Conjugation ==
Gilbert Syndrome:
 • 5-10% of the population
of about 30% of normal ... examination; nonspecific symptoms ... and stress may cause ... Congenital #bilirubin #hepatology ... #diagnosis #gastroenterology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... - Differential Diagnosis ... and signs below ... Non-compressive Spinal Cord Causes ... #diagnosis #neurology
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
general seizure caused ... and metabolic causes ... Classification #Diagnosis ... #Neurology #Signs ... #Symptoms #Comparison
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... deficiency - Abnormal ... Vasculitis - Collagen disorders ... #Algorithm #Causes