23 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #CVA #Peripheral
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 ā€¢ Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... Diagnosis Central ... contusion ā€¢ Tumours: CPA ... , posterior fossa ... #Differential #
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 ā€¢ Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... Hallpike test (posterior ... Vertigo #Algorithm #differential ... #diagnosis #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Diagnosis Framework ... If Altered Mental ... SAH, tumor ā€¢ Posterior ... no neurological cause ... #diagnosis #neurology
Altered Mental Status - Differential Diagnosis
 ā€¢ Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
- Differential ... Diagnosis ā€¢ Neurologic ... Constipation, Delirium - VA ... #Status #AMS #Differential ... #Diagnosis #Causes
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 ā€¢ Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 ā€¢ Lymphoma
 ā€¢
Mediastinal Mass - Differential ... Diagnosis Anterior ... Tumors ā€¢ Vascular Mases ... spine lesions (Potts ... #Diagnosis #pulmonary
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... vertigo (BPPV) - Short-lived ... Occlusion of posterior ... #differential # ... diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 ā€¢ Headache
 ā€¢ Seizures
 ā€¢ Altered mental
may precede the neurologic ... narrowing on MRA/CTA ... Reversible course Differential ... the underlying cause ... with AEDs until cause
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... Diagnosis Framework ... /squamous cell CA ... vision or black spots ... #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... D D-lactate (short ... Classicallyā€¯ noted with pulmonary ... sedation, narcotics, CVA ... #Summary #Nephrology