42 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... and Myotomes Motor ... Anterior Shoulder Dislocation ... regimental badge" anesthesia ... #arm #physicalexam
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... • Serotonin syndrome ... brain injury By Association ... #Differential #Causes ... #Anesthesiology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... upper and lower motor ... reflex. saddle anesthesia
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Commonly caused ... neurology #sensory #motor ... #leg #physicalexam
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
hypercarbia as causes ... overload / TURP syndrome ... phaeochromocytoma By Association ... #Hypertension #Anesthesiology ... #Anesthesia #Intraoperative
Mains Electricity Failure - Guidelines for Crises in Anaesthesia
Unexpected total power failure is rare and unpredictable.
Guidelines for Crises ... By Association of ... Guidelines for crises ... Electricity #Failure #Anesthesiology ... #Anesthesia #Intraoperative
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... o Endocrine cause ... dependency) By Association ... #Differential #Anesthesiology ... #Anesthesia #Intraoperative
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... Holmes-Adie Syndrome ... no light-near dissociation ... • Other causes ... #Adies #Pupil #PhysicalExam
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
arrest where other causes ... Cutaneous flushing in association ... drug chart) By Association ... #Anaphylaxis #Anesthesiology ... #Anesthesia #Intraoperative
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... cyanosis - Cool extremity ... Paralysis 4) Paresthesia ... diagnosis #lower #extremity ... #msk #physicalexam