A high pitched sound heard in the upper airway during inspiration, it indicates partial airway obstruction

An opening through the chest wall into the space around the lungs in which air enters and/or exits.

Cardiac arrest due to a change in the rhythm of the heart. Patients may have no symptoms before sudden cardiac death. High performance CPR and rapid defibrillation are the ETT’s treatments for sudden cardiac death

"Superior" is a comparison word. With the patient in the anatomical position, superior means above; higher than; closer to the top of the head.

Lying with the back of the body resting on the supporting surface.

The top number of the blood pressure. Reflects the pressure surge through arteries with each heartbeat.