8 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
result is positive (abnormal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA ... #Peripheral #Central
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... #Peripheral #Central ... #diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... PERIPHERAL VERTIGO ... #Peripheral #Central ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... D-lactate (short bowel syndrome ... sedation, narcotics, CVA ... #Summary #Nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... • Gag reflex ... Casey Albin MD @ ... #PhysicalExam #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... and sensitive tests ... #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... : • Normal: Air ... II ○ Susac’s syndrome ... Mitochondrial disorders ... trauma ○ MS, CVA
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... disposition, even if the cause ... is peripheral. ... CNS, Central nervous ... #Posterior #CVA