19 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo Peripheral ... often classified as ... #differential #diagnosis ... #neurology
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
reflex response ... A positive test, ... also known as a ... PhysicalExam #Diagnosis ... #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... /flaccid limbs vs ... #PhysicalExam #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
vs Central Lesions ... these pathways, as ... #Bells #Palsy #Neurology ... #Diagnosis * ... GrepMed Recommended Text
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #differential #diagnosis ... #causes #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
attributable to central ... is important, as ... early diagnosis ... • Infiltrating base ... #neurology #noninflammatory
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... acid-base status ... urine #Algorithm #nephrology ... #differential #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... and sensitive tests ... pathophysiology as ... #neurology
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
testing is largely based ... components: targeted neurologic ... if the cause is peripheral ... CNS, Central nervous ... #Diagnosis #AVS