116 results
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat ... nystagmus, most ... on looking down and ... #clinical #video ... #physicalexam #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... #Differential #
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Nystagmus Downbeat ... and rebound nystagmus ... The differential ... Video by Kathleen ... Ophthalmology #Neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... "setting sun" sign ... Dorsal midbrain and ... #neurology #diagnosis
Downbeat Nystagmus on Physical Exam

65 year old female with new walking difficulty and dizziness. Why downbeat
Downbeat Nystagmus ... Why downbeat nystagmus ... corrective movement causes ... #clinical #video ... ophthalmology #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... positional episodes caused ... Vertigo #Algorithm #differential
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Brudzinski's Sign ... neck stiffness causes ... patient's knees and ... Meningitis #clinical #video ... #physicalexam #neurology
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Brudzinski's Sign ... neck stiffness causes ... patient's knees and ... Meningitis #clinical #video ... #physicalexam #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
osmolarity If cause ... signs • Glomerulonephritis ... Abdominal compartment syndrome ... • Cardio-renal syndrome ... #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Proximal and ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... potassium #low #nephrology