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Questions tagged [blood-circulation]

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0answers
39 views

What is the expected life span of vascular stents?

What is the expected life span of vascular stents? For example: Universal (coronary/venous) stent WALLSTENT-UNI Boston Scientific, metal: nitinol = titanium + nickel. How many pulsating contractions ...
2
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0answers
60 views

Can blood flow destroy part of the metal stent in 10 to 40 years?

If a part of the metal stent has not grown into a vessel, can this part of the stent be washed out by the blood flow in 10 to 40 years (theoretically)? Also are such cases known that blood flow ...
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0answers
24 views

What causes external lower leg to visibly pulse?

I wonder what causes the lower leg(fibula side) to pulse visibly for few minutes after exercising/walking etc. If the pulse is synchronised with the hearth rate, is it more likely to be a vein or an ...
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50 views

Can any external stents (or something like this) be used to solve aorto-venous conflict (May-Thurner syndrome)?

Is there can be used any external stents or something like this to solve aorto-venous conflict (May-Thurner syndrome) or Nutcracker syndrome? For example, a stent consisting of ...
3
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0answers
73 views

Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion?

Must one take anticoagulants lifelong after stenting of deep veins with a non-thrombotic lesion, for example, aorto-venous conflict (May-Thurner syndrome)? Or is it enough to take anticoagulants only ...
1
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1answer
50 views

At what speed would an average adult human male bleed out, if their arm was amputated?

I'm not sure what unit of measurement to ask this question in, but I suppose that pints per second would be the right way to think of things. Currently writing a short story and i'd like to add some ...
4
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1answer
52 views

Surgery of the hemorrhoid or other veins

I got curious what really happens to the cut blood vessels after they were operated on at an arbitrary point... and how the blood circulation remains consistent(, especially if the blood vessel is a ...
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1answer
43 views

How does the circulatory system know where to distribute oxygen and nutrients?

There is lots of information online about the circulatory system, but it never seems to answer the question of "targeting". When there is a change in the relative demand for blood, how does the ...
8
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1answer
98 views

Ultrasound sniff test: why does lowering intrathoracic pressure collapse the subclavian vein?

Because the subclavian is guarded by the clavicle, you can't compress it with the transducer, and to see the vessel walls come together it is common practice to tell the patient to "sniff" or inhale ...
5
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1answer
53 views

Do shin injuries heal slower than similar injuries on other parts of the body?

Do common injuries, such as scrapes and bruises, heal up slower on your shins? It seems as though there would be less blood flow through shins than, say, the upper arm (which is more "meaty").
8
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3answers
219 views

What ingredients in this list are causing my hands to get warm? (improve circulation to my fingers) [closed]

EDIT: scroll down towards the bottom towards the bottom for my answer. Its thoracic outlet syndrome. If I do certain stretches it goes away. Its an issue related to my bad posture and nerves getting ...
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34 views

Do percussive massages help treating a tendinopathy?

I read on http://fortitudesportstherapy.com/percussive-therapy/ (mirror): What is Percussive Massage? Percussive massage is a breakthrough treatment for soft tissue pain. Percussive massage ...
3
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1answer
108 views

Can a colloid intravascular volume expander be used in chronic orthostatic hypotension?

For conditions such as POTS (Postural orthostatic tachycardia syndrome) which are unable to regulate appropriate blood pressure / HR on postural changes, they are treated with volume expansion - like ...
5
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1answer
2k views

Can very tight glasses restrict blood flow to the brain?

Can extended use of glasses that are very tight-pressing against the temples inhibit blood circulation towards the brain? I find that I get headaches if I wear tight glasses, and found a similar ...
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0answers
12 views

Does aerobic exercises increase the blood around the tendons that attach to the epicondyles at the elbow end of the humerus?

http://www.livestrong.com/article/315152-how-to-increase-tendon-strength/ (mirror): Increase circulation throughout your body to improve the blood flow to your tendons. Part of the problem with ...
5
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1answer
96 views

Dealing with a lot of standing

Question When e.g. working in surgery, one has to stand for a very long time. I'm sure everyone has been through a similar experience. After some time, my back usually starts to feel weird and I ...
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0answers
113 views

Why does high blood pressure cause tinnitus?

There are multiple reports on the internet where people state that they got tinnitus from high blood pressure. Usually it is related to exertion or having an orgasm. Just wondering if anyone has t ...
0
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1answer
505 views

Why is this clinical difference between central and peripheral hemoglobincyanosis?

While in central cyanosis we see cyanotic mucosae, we have in peripheral cyanosis a cyanotic peripheral. In central cyanosis we have a oxygenation problem and in peripheral cyanosis a low perfusion. ...
1
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1answer
346 views

How long does it take for a body to get rid of blood clots and bubbles inside a cannula?

The blood clots and the small bubbles that are stuck inside my cannula enters my body. I asked a doctor and he said its OK if the bubbles are small and clots are not dangerous. My question is: Are ...
4
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1answer
946 views

what are the long and short term benefits of cold showers

Apart from the increased circulation and sperm production (in men) what long term and short term benefits can you get with a cold shower every day? To clarify, short term effects I'd mean immediate ...
2
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0answers
8 views

Why cold on the back hurts more than cold in the front?

I'd rather have appended this to the health group, but I guess the biology se was better for this. The question is, why is it that the cold, on the back, hurts, whereas the cold on the front, arms, ...
1
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1answer
418 views

Tourniquet application on a venous bleed

A few weeks ago in class (EMT), we were discussing tourniquet application in instances where there is bleeding that couldn't be controlled by pressure. In most cases, a tourniquet will be used on a ...
2
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0answers
42 views

If compression socks increases the blood circulation and this is good for swelling, then how comes it is said ice is good for swelling?

“Cold slows down blood flow to an injury, thereby reducing pain and swelling. Cold therapy slows circulation. It should be used if the area is swollen or bruised.” “Compression stockings are used to ...
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0answers
19 views

Are there any long-term health benefits/ disadvantages of wearing socks, especially woolies?

Are there any long-term health benefits/ disadvantages of wearing socks, especially woolies ?
3
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1answer
672 views

Can pectus excavatum increase the risk of cardio vascular disease?

With Pectus Excavatum the sternum is sunken inwards pushing organs slightly out of their normal position. My question is could this repositioning put additional pressure on the heart over time leading ...
0
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1answer
318 views

Does Anemia equal poor circulation?

Are they one and the same? Can you be non-anemic and have poor circulation? Can you have good circulation and be anemic at the same time?
3
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1answer
310 views

How to get rid of erectile dysfunction?

Erection problems happen mostly with men. What causes it and what is happening in the body?
2
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1answer
76 views

How do apps that measure heart rate work? Are they precise?

First of all I don't know if this should be split in two different questions or not. Lately I've been using an app to measure my heart rate using my phone. In the few that I've tried they only say ...
3
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2answers
126 views

Is there no drawback on removing varicose veins?

If we remove our varicose veins because they are useless, would we get any drawbacks by removing them? For example, we might need to remove rest of them next time. Wouldn't it be a problem for us if ...
3
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0answers
60 views

Applying ice to tendinopathy: how long should the icing and non-icing periods last?

When applying ice to a tendinopathy, how long should the icing and non-icing periods last? I am looking for scientific studies. http://www.uhs.wisc.edu/health-topics/muscles-and-bone/rice.shtml says: ...
3
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0answers
24 views

Is increased blood flow always correlated with increased cerebral activity?

I've heard that cerebral fMRI (Functional magnetic resonance imaging) maps blood flow through the brain, and it is most of the time correlated with cerebral activity. What are the factors that can ...
2
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0answers
27 views

Extreme bleeding - what shuts down first?

Considering an accident that results in heavy bleeding (say legs are crushed), but no internal damage to the brain or torso, what would stop first: the brain or the heart? Is there an order to organ ...
6
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1answer
100 views

Standing up while deeply inhaling can cause a blood pressure fall?

Someone told me a few months ago of a technique to stop hiccups. When I followed the simple instructions given to me at that time it was extremely effective. Recently, I tried to reproduce the ...
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0answers
35 views

Estimating the blood circulation around the epicondyles of the humerus

Decreased microcirculation has been shown to contribute to the lateral epicondylitis symptoms (1). Is there any home medical equipment that a patient suffering from epicondylitis could use to estimate ...
4
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1answer
211 views

Does altitude related secondary polycythemia make your blood thicker?

When adapting to high elevation, does your blood get thicker? I hear a lot of commentary on altitude related heart attacks, strokes, and frostbite (from expeditions in the Himilayas) being caused by ...
4
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1answer
91 views

How we can improve our Blood circulation?

Generally speaking, how we can improve our blood circulation ? Is there a special food or special posture ?