Anaesthesia, Intensive Care and Perioperative Medicine A-Z

Z

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Y

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X

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W

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V

Va-Vc Vacuum insulated evaporator (VIE). Container for storage of liquid O 2 and maintenance of piped gas supply . An outer carbon steel shell is separated by a vacuum from an inner stainless steel shell that contains O 2 .…

U

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T

T-Tc t 1/2 see Half-life T-piece breathing systems see Anaesthetic breathing systems t tests see Statistical tests T wave Wave on the ECG representing ventricular repolarisation ( see Fig. 60b ; Electrocardiography ). Normally upright in leads I, II and…

S

S-Sa S-100β protein Calcium -binding protein present in glial cells, studied as an early marker of damage to the blood–brain barrier , e.g. after stroke , TBI , cardiac surgery and neurosurgery . A normal level reliably excludes significant CNS…

R

Rr-Ra R on T phenomenon Arises when the R wave of a ventricular ectopic beat falls on the T wave of the preceding beat. At the middle of the T wave, the myocardium is partly depolarised and partly repolarised, and…

Q

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