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Can elevating feet and lowering head increase blood pressure?
The point of elevating the feet and lowering the head is not to raise blood pressure, but to use gravity to cause an increased flow of blood to the brain.
How does head trauma cause immediate loss of consciousness?
When there's brain injury, the brain will swell, and the blood vessels will leak. which causes increase in the blood and cerebral blood flow to the brain, but as the brain is accommodated inside the skull and it can't be expanded, this will increase the pressure inside, the intracranial pressure, which will interfere with the blood flow to the brain, decreasing it and causing loss of consciousness
How does specific gravity effect head pressure?
Head pressure=specific gravity*1000*gravity*height. Therefore if specific gravity is increased head pressure will increase.
What two things increase as you head to the center of the earth?
pressure and temperature
What is an emergency admission?
When one has a increase of heart rhythm over 100, with vomiting. Profuse bleeding from any part of the body; a serious blow to head, and poisioning, unconscienceness and extreme low blood sugar and blood pressure. gun wound are all cases to head to emergecy room
Can high blood pressure cause the head to shake?
Brain blood lines burst
What could be the problem if the left side of your head hurts when you cough?
I thought it was. Until I went to the doctor for a routine checkup and found out that I had high blood pressure. The "cure" was to medicate me with a drug to lower blood pressure. Since then, my head no longer hurts when I cough. Most people don't experience symptoms from high blood pressure. I did and the symptom was pain in the head while coughing. Bottom line: Talk to you doctor!
How does glaucoma affect the optic nerve?
Glaucoma is an increase in pressure in the eyeball. If the pressure increases to above your blood pressure, blood can not get into the eye to feed the retina and it will die and you will go blind.
How is coronary perfusion rate related to blood pressure?
Think of it as like a shower head. The more you turn up the dial (blood pressure), the stronger the water shoots out of the head (coronary perfusion rate).
The Valsalva Maneuver can increase blood pressure to extremely high and dangerous levels?
The Valsalva maneuver can indeed induce strokes in the brain due to higher blood pressure in the head, and perhaps broken capillary blood vessels in the eyeballs and elsewhere. Do the maneuver only just as hard as needed to relieve your symptoms (by increasing heart rate, usually).
What changes in blood vessels account for the change in blood pressure when standing from the reclining position?
head neck
Why does a giraffe need special valves in the blood vessels that can close when it is getting a drink?
The blood pressure in the giraffe's body is very high so that blood pumps to the head but when it lowers the head to drink the pressure would be extreme and it would die with out the valves.
