2 Sentences With "obtund"

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The root word, obtund, means "dulled or less sharp" cf. obtuse angle.
A fully paralyzed patient is unable to move, speak, blink the eyes, or otherwise respond to the pain. If neuromuscular blocking drugs are used this causes skeletal muscle paralysis but does not interfere with cardiac or smooth muscle or the functioning of the autonomic nervous system so heart rate, blood pressure, intestinal peristalsis, sweating and lacrimation are unaffected. The patient cannot signal their distress and they may not exhibit the signs of awareness that would be expected to be detectable by clinical vigilance because other drugs used during anaesthesia may block or obtund these. Many types of surgery do not require the patient to be paralyzed.