A 25-year-old member asked:
is it a good sign if a patient in coma's blood pressure increases when you talk to them?
2 doctor answers
Dr. Nalinaksha Joshi answered
22 years experience Neurology
Difficult : BP change on talking to the comatose patient means his autonomic system is responding to some stimuli not necessarily speaking. I am not aware of study that has answered to this parameter for prognosis.
Answered on Jul 9, 2019
Dr. Jennifer Berkeley answered
17 years experience Neurology
Maybe: Any physiologic response to an external stimulus can be a sign of responsiveness, which is better than unresponsiveness. So, if a coma patient has any change when stimulated (heart rate, blood pressure, movement), it can be a sign they sense the stimulus. We look for purposeful movement (pulling away from pain, grimacing) and eye opening as signs a patient may be starting to wake up.
Answered on Jul 8, 2015
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