Preoperative Assessment, Premedication & Monitoring
Anaesthetic drugs and techniques have profound effects on human physiology. Hence, a focused review of all major organ systems should be completed prior to surgery.
Goals of the preoperative evaluation is to ensure that the patient is in the best (or optimal) condition.
- Problem Identification
- Risk Assessment
- Preoperative Preparation
- Plan of Anesthetic Technique
- Physical examination
- laboratory investigation
History of underlying disease, medication, functional capacitance, previous anesthetic history, family history, smoking and alcohol, allergy, Airway evaluation
Physical examinationVital signs, General appearance, Respiratory system, CVS, Abdomen, Extremities and spine, Neurologic system.
- History of difficult intubation
- Head and neck examination for airway evaluation
- Oral cavity : mouth opening, mandibular space, tongue, teeth
- Mallampati classification
- Measurements 3-3-2-1
3 Fingers Hypomental Distance. (3 Fingers between the tip of the jaw and the beginning of the neck (under the chin)