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What Causes Sudden Blackout, Nausea And Excessive Sweating?
Posted on
Sun, 8 Nov 2015
Medically reviewed by
Ask A Doctor - 24x7 Medical Review Team
Sun, 8 Nov 2015
Answered on
Sat, 5 Dec 2015
Last reviewed on
Question : Everytime i stand i begin to blackout, get nauseous, and sweat. Started this morning. When i lay back down, symptoms go away
Brief Answer:
I would explain as follows:
Detailed Answer:
Hello!
Welcome and thank you for asking on HCM!
I understand your concern and would explain that your symptoms seem to be related to orthostatic hypotension.
Have you measured your blood pressure?
I recommend you to closely monitor your blood pressure in sitting and standing up position.
A decrease more than 20mm Hg in your systolic blood pressure when standing up compared to sitting position would be indicative of orthostatic hypotension.
I recommend consulting with your GP for a careful physical examination and a head up tilt test to rule in\out this disorder.
Some blood lab tests ( complete blood count, PCR, sedimentation rate, kidney and liver function tests, blood electrolytes and fasting glucose) are necessary to exclude other secondary causes of this clinical situation.
Meanwhile I recommend taking plenty of fluids (water and juices) in order to stay well hydrated and avoid straining physical activity.
Hope to have been helpful!
Feel free to ask any other questions whenever you need!
Greetings!
Dr.Iliri
I would explain as follows:
Detailed Answer:
Hello!
Welcome and thank you for asking on HCM!
I understand your concern and would explain that your symptoms seem to be related to orthostatic hypotension.
Have you measured your blood pressure?
I recommend you to closely monitor your blood pressure in sitting and standing up position.
A decrease more than 20mm Hg in your systolic blood pressure when standing up compared to sitting position would be indicative of orthostatic hypotension.
I recommend consulting with your GP for a careful physical examination and a head up tilt test to rule in\out this disorder.
Some blood lab tests ( complete blood count, PCR, sedimentation rate, kidney and liver function tests, blood electrolytes and fasting glucose) are necessary to exclude other secondary causes of this clinical situation.
Meanwhile I recommend taking plenty of fluids (water and juices) in order to stay well hydrated and avoid straining physical activity.
Hope to have been helpful!
Feel free to ask any other questions whenever you need!
Greetings!
Dr.Iliri
Above answer was peer-reviewed by :
Dr. Chakravarthy Mazumdar
Answered by
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