63 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex ... ophthalmology #causes
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... • Serotonin syndrome ... amphetamines) Toxic: • Radiologic ... #Differential #Causes ... Checklist #Diagnosis #Management
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
About Horner's Syndrome ... Horner's syndrome ... have friends, is caused ... in 1855 by Ed Horner ... DGlaucomflecken #Horners
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... Chemo agents - Anesthesia ... Hyperthyroidism Cortex ... Malignancy #nausea ... differential #diagnosis #causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "claw hand" ± Horner ... Syndrome Wrist ... Carpal Tunnel Syndrome ... regimental badge" anesthesia
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Contralateral motor cortex ... /Sub-Cortical (Corona ... Brown-Sequard Syndrome ... Diagnosis #Algorithm #Causes
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
Guidelines for Crises ... hypercarbia as causes ... overload / TURP syndrome ... ) • Medical causes ... Checklist #Diagnosis #Management
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Causes: thrombus ... mainstay of initial management ... mainstay of initial management ... with saline and cover ... Anesthesiology #Anesthesia
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
conjunctiva and cornea ... • Thiamine - Nausea ... ataxia), Korsakoff syndrome ... function, diarrhea • Copper
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... input to (in this case ... etiology in this case ... Ophthalmology #Photo ... #Horners #Syndrome