22 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Forehead Sparing = Central ... Forehead involved = Peripheral ... (2% of facial nerve ... - Unilateral: Bell's ... #Causes #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... cause of AVS. ... a stand-alone test ... #PhysicalExam #Neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... often classified as ... #Central #Causes ... differential #diagnosis #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
vs Central Lesions ... VII, the facial nerve ... #Nerve #Paralysis ... #Bells #Palsy # ... Neurology #Diagnosis
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... This patient as ... cause of vertigo ... Video by Dr. ... #Neurology #Vertigo
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... may be present Central ... with vascular causes ... positional episodes caused
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... grip weakness caused ... flat object such as ... Palsy #clinical #video ... #neurology #physicalexam
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus, test ... the dizziness as ... or central in etiology ... or central TiTrATE ... The approach uses
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Hypotension • AMS ... smooth muscle cells ... Differential #Diagnosis #Algorithm ... Pathophysiology #Nephrology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
of breath • Neurologic ... deficits (peripheral ... neutrophil count < 500 cells ... • Dyspnea at rest ... Progressive decline in mental