11 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 ... Peripheral Causes ... #Peripheral #Central ... #differential #diagnosis ... #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral ... Vertigo • Head ... following a finger) • Test ... #Peripheral #Vertigo ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Peripheral Vertigo ... may be present Central ... #differential #diagnosis ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... PERIPHERAL VERTIGO ... CENTRAL VERTIGO ... #Peripheral #Central ... #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
- Differential Diagnosis ... Vertigo: • Peripheral ... Meniere's Disease • Central ... dysfunction, Meds • Reflex ... #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 ... #PhysicalExam #neurology ... #comatose #diagnosis
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... of breath • Neurologic ... deficits (peripheral ... Superior Vena Cava ... • Dyspnea at rest
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... or the axon of peripheral ... depressed deep tendon reflexes ... and sensitive tests ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... - Differential Diagnosis ... D-lactate (short bowel syndrome ... sedation, narcotics, CVA ... #Summary #Nephrology