Doctor insights on:
Constricted Blood Vessels In The Brain
Raynauds: By definition arterial spasms induced by cold. Can occur independently of other conditions or as part of other diseases. Thermaly speaking temperature in brain fairly constant. That are other conditions including vascular headaches which occur based on vasospasm with frequently other causes such as diet and smoking. ...Read more
Yes: Oxygen poor venous blood flows to the right side of the heart. It is then pumped into the lungs, and from there goes to the left side of the heart which pumps it into the arteries to the entire body. The commonly measured pressure is the arterial pressure from the lt side of the heart. The pressure in the lungs is from the rt side of the heart, is much lower, and takes an echocardiogram to measure. ...Read moreSee 1 more doctor answer
If someone stands and their blood pressure drops due to dysdysautonomia. Do the blood vessels in the brain constrict?
Difficult to know: In a dysautonomic person where there are swings of blood pressure upon changes in body position it is impossible to know which blood vessels in the body may be constricting vs. Dilating. If a person stands whose BP suddenly drops and they become dizzy this usually is a sign that not enough blood is flowing to the brain. Some vessel constriction in the brain may happen as a compensation. ...Read moreSee 1 more doctor answer
See below: The Left anterior descending with its branches, diagonals and septal perforators, the left circumflex with its branches, obtuse marginals, and the right coronary artery with its branches, especially the posterior descending and posterolateral branches. ...Read more
Great question: This is actually an area of great interest for research. Smoking is thought to contribute to weaknening of the arteries and this is an important risk factor. We are actually pursuing research on hormones and their role in the strength of blood vessels. Please see brain aneurysm center for women at www.Chicagoaneurysm.Com for more information. ...Read moreSee 1 more doctor answer
Not exactly: The flow to the anterior cerebral starts at the heart, goes up the ascending aorta, to carotid arteries which reach the Circle of Willis, and go to anterior cerebral, middle cerebral and posterior cerebral arteries. Anterior communicating can be viewed as a bridging collateral. ...Read more
Ultimately STROKE: The brain is the cpu of our human body controlling its ability to comprehend speach, assimilate words, see, hear, swallow, coordinate movement and assimilate tactile feeling from our environmnt. Like any organ, just as the engine of a car needs gas 2 work, if circulation is compromised then the ability of that organ to function properly can also be compromised - occnl transient or may b permanent. ...Read moreSee 2 more doctor answers
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