16 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Mydriasis • Bilateral ... Miosis: Horner's syndrome ... #differential #diagnosis ... #ophthalmology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Phaeochromocytoma Neurologic ... #Differential #Causes ... Anesthesiology #Anesthesia ... #Checklist #Diagnosis
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
alfentanil can be diagnostic ... overload / TURP syndrome ... ) • Medical causes ... Intraoperative #Checklist ... #Diagnosis #Management
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Sciatica: often bilateral ... • S - Saddle anesthesia ... - Emergency Causes ... Differential Diagnosis ... #causes #neurology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... : Differential Diagnosis ... adenoma/ bilateral ... #Differential #Diagnosis ... #Causes #nephrology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... (more commonly bilateral ... loss - Saddle anesthesia ... #differential #diagnosis ... #neurology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
very interesting finding ... Patient underwent a diagnostic ... The syndrome of ... #clinical #video ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... experience, the cause ... #clinical #video ... #ophthalmology ... #physicalexam #neurology