85 results
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... maintained fever CAUSES ... hyperthermia crisis (late ... • Serotonin syndrome ... #Differential #Causes
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
hypercarbia as causes ... chest symmetry, rate ... Circulation • Check rate ... overload / TURP syndrome ... ) • Medical causes
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
Temperature rise is a late ... other, more common causes ... ❹ Call for MH treatment ... COMPLICATIONS AND OUTLINE TREATMENTS ... replacement therapy later
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
essential to determine treatment ... CCB, BB, BRASH syndrome ... develop low CO later ... cytokine release syndrome ... , Medications (anesthesia
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... Incontinence • Saddle Anesthesia ... not have to be bilateral ... #MSK #pathophysiology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... saddle (perineal) anesthesia ... dysfunction, and bilateral ... dorsum of foot and lateral ... Commonly caused
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
Electrolyte/fluid shifts caused ... changes and may cause ... deficiency (thiamine) Late ... hyperparathyroidism Treatment ... Differential #Diagnosis #Pathophysiology
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Capacity: • Maternal ... Hypotension • Anesthesia ... Maternal Medical ... Antiphospholipid syndrome ... Diagnosis #Algorithm #Causes
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 ... axial T1 and T2 Treatment ... differential #diagnosis #causes
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... remember to tailor treatment ... ). ❼ Consider rate ... Guidelines for crises ... Anesthesiology #Anesthesia