30 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... symptoms, unidirectonal ... symptoms/signs, ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... without an obvious cause ... signs or symptoms ... #Causes #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... No auditory symptoms ... Long symptom-free ... #Algorithm #differential
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Test = Central Cause ... test to the left and ... symptoms, this ... Video by Dr. ... #Neurology #Vertigo
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis ... seizure, dizziness, vertigo ... Ask about precipitating ... syncope and their ... #Differential #
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... Associated with nausea ... Algorithm #dizzy #differential ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... with vascular causes ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics ... #sports #hand
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... patient to relax the hand ... Abnormal #clinical #video ... #neurology #PhysicalExam
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
or signs. ... 50 or less: • Neurologic ... Retinitis (Most common cause ... AIDS #diagnosis #differential ... #signs #symptoms