Doctor insights on:
Upper Limb Blood Vessels
Depends: Coronary steal from unligated side branches from the left internal mammary artery (lima) when it is used for coronary bypass is an area of open debate. Most surgeons will ligate a large side branch to prevent the possibility of steal, small branches are often not (the risk of ligating higher than the liklihood of steal). The exact size that requires ligation to prevent steal is unknown. ...Read moreSee 1 more doctor answer
Can swelling caused by non-venoarterial issue put pressure on arteries, which would slow blood flow and result in colder extremity?
Edema: Fluid in the lower legs would make the skin feel cooler as it would keep the blood vessels farther away from the skin. Since there is strong pressure in the arteries,it would not impair blood flow itself, but vein blood travelling up the leg may be more sluggish. ...Read more
Do dilated blood vessels increase perfusion and heatloss, while constricted vessels greatly reduce cutaneous blood?
Vasodilatation&const: Vasodilatation causes at the skin level -heat loss for example in fever, alcohol intoxication . Vasoconstriction reduces conservation of heat by avoiding loss of heat bec. Of the constricted vs which occurs in exposure to cold. Increased perfusion because of the vasodilatation or decreased perfusion with vasoconstr. Are initial natural protective reflexes, lost later if the initial event untrea.Ted. ...Read more
Usually trauma: The veins on top of the hands are very prone to injury from simply hitting them against an object. This would be the most common reason for them to be bruised and subsequently bleed. Other causes could be medications that you are taking such as aspirin, fish oil and even some vitamins. You may want to follow up with a vein specialist for an evaluation. ...Read more
Systolic BP: Blood pressure is reported as - systolic bp/ diastolic bp. Upper number is the pressure generated when your heart beats or ejects blood from the heart and the lower number is when the heart is at rest between the heart beats. Best BP is 120/80. Systolic BP > 130 and diastolic > 80 need to be followed or treated. ...Read more
Subconjunctival heme: I'd recommend an eye exam by your eye doctor and your medical doctor. Most of the time these hemorrhages happen spontaneously, but they can occur from valsalva maneuvers (coughing, sneezing, vomiting, lifting a heavy weight, straining in the bathroom, etc), high blood pressure, bleeding disorders or blood thinners. They will resolve on their own. ...Read more
C below: You are 19 but... People with an arm-to-arm difference of 15 points or more are twice as likely to have peripheral artery disease—essentially cholesterol-clogged arteries in the arms, legs, or other non-heart parts of the body. In your case Mild coarctation could also be present ...Read more
Can antiphospholipid syndrome cause blood vessels in the brain, legs & arms to have burning pain & feeling of pressure?
Probably not: Your symptoms are not very specific. The symptoms of apa syndrome are related to blood vessel clotting and your type of symptoms do not suggest that. Have your doctor evaluate the issue. ...Read more
Yes: If you have a blood clot in the deep veins of the leg, they can break loose and travel up through the heart, and into the lungs where it can cause a pulmonary embolism. This is potentially life threatening, but the risk is markedly reduced by taking a blood thinner like coumadin (warfarin). ...Read moreSee 6 more doctor answers
Yes. BRVO & CRVO.: Branch retinal vein occlusion (brvo) and central retinal vein occlusion (crvo) are due to clotting in these tiny retinal vessels. There are mild and severe vein obstructions leading to varying degrees of vision loss. In the last five years, several innovations in the treatment of these diseases has occurred. Early detection and treatment of the condition and it's underlying causes is key. Exam. ...Read moreSee 1 more doctor answer
Acute venu embolism and thrombosis of deep vessels of lower extremity alrady had stints in legs and 2 venaava filters now having severe leg pain?
Recurrent DVT: It sounds like you were taken off lifelong blood thinner medication. You should be back on it and wearing 30-40 mmhg compression stockings daily. You do not say if the filters were both removed or how long the present condition exists. Usually, interventional corrections are sucessful if within a 2 week period of dvt. See your vascular spacialist immediately as this is very serious. ...Read moreSee 2 more doctor answers
Can tight pelvic, back and leg muscles (tension/cramping) cause poor blood flow/restrict blood flow?
Not significantly: Blood vessel blood flow is not significantly affected by muscle tension unless something artificial is constricting the area as the blood vessels are not compressed by muscles unless they are structurally distorted. However tension of the muscles within blood vessel walls can affect blood flow. ...Read more
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
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