Tubocurare affects which muscle first?
Correct Answer: Head and neck
Description: Sequence of blockade : face - jaw- pharynx - larynx - respiratory (including diaphragm) - trunk muscle - limb muscle. Face muscles are involved earliest. 1)in non-depolarising blocker (d-Tc), earliest clinical sign is Ptosis and diploia 2)In succinylcholine (depolarising blocker ),First clinical sign is Fasciculation of eye lids.
Category:
Anaesthesia
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