10 votes
Accepted

Aspirin for prevention of heart attacks?

This is a good and pragmatic question. Just to give some insight, the benefits of aspirin in high risk patients (with acute or previous vascular disease or some other predisposing condition) are ...
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  • 2,322
8 votes
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If sphygmomanometer literally cuts off the blood flow, is it gonna kill the patient if pressure is not released?

Heart attacks are caused by reduced or blocked blood flow to the heart, but a sphygmonanometer cuts off the blood flow to the arm (or leg) only. It's not possible it could cause a heart attack ...
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5 votes
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Is the number of push-ups a person can do a good risk estimate for heart attacks?

Yes, or at least, that's what this article in a reputable medical journal says and there is no reason to be more skeptical of it than the normal skepticism that any isolated article deserves. The 10 ...
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5 votes
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Is daylight savings linked to heart attacks?

This connection has been reported by several groups, in credible journals (I left a few references below). The study and news article you are referring to is confirming earlier findings, it is not the ...
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5 votes

If high cholesterol does not cause as atherosclerosis? Then what does?

The NHS page you linked to does quite a good job of explaining why the study that puts forward the claim that there isn't a link doesn't actually quite say that with any degree of certainty. They are ...
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  • 1,252
5 votes

If high cholesterol does not cause as atherosclerosis? Then what does?

The mentioned paper has been published in BMJ Open in 2015: The Association Between Low-Density Lipoprotein Cholesterol and Mortality in the Elderly. A systematic review. The NHS article mentions the ...
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  • 15.6k
3 votes

Does altitude related secondary polycythemia make your blood thicker?

Yes, blood viscosity changes with altitude. This is a study in rats where the control group was kept at normal altitude and the test group at simulated 5500 meters. Besides, RBC counts, ...
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  • 6,998
3 votes

Is the number of push-ups a person can do a good risk estimate for heart attacks?

Limitations of the study:(3) First, the study assessed the association between push-ups and CVD events. The results do not support push-up capacity as an independent predictor of CVD risk.  Second, ...
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3 votes
Accepted

cardiac arrest effects on blood pressure

By definition, cardiac arrest means the heart is not pumping blood; therefore, there is no blood pressure. None at all. So if you were to cut a person in cardiac arrest, they would not bleed. If a ...
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  • 9,435
3 votes

Assessing the risk of heart attacks and similar conditions

Following were independent risk factors found in the large Interheart study (http://www.thelancet.com/journals/lancet/article/PIIS0140-6736%2804%2917018-9/abstract): 1. Smoking 2. Diabetes 3. High ...
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  • 1,760
3 votes

Clot-busting drugs versus balloon angioplasty for heart attack patients reaching early in hospital

There are three types of heart attacks: unstable angina pectoris, non-ST-elevation myocardial infarct (NSTEMI) and ST-elevation myocardial infarct (STEMI). Choosing between thrombolysis and ...
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2 votes
Accepted

Clot-busting drugs versus balloon angioplasty for heart attack patients reaching early in hospital

A number of studies have shown that in early period (within 2-3 hours of onset of chest pain), thrombolysis is as good or even better than primary angioplasty: FAST-MI study USIC 2000 registry ...
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  • 1,760
2 votes

Causes of a heart attack without any blocked arteries

The Society of Cardiovascular Angiography and Interventions has an excellent summary of the types of heart attacks on their web site. As you can see, the first type, STEMI, is generally due to ...
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  • 9,435
2 votes

Long term medication and increased risk for CLL?

According to the literature, risk factors for chronic lymphocytic leukaemia (CLL) are: gender: CLL is more frequent in men than in women age: CLL is considered to be mainly a disease of older adults,...
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1 vote

How does cold weather affect blood flow, heart beat, and heart attack?

Vascular resistance in the skin is very closely related to temperature of both outside and body core. Vascular resistance in other body organs is not related to outside temp and the body core temp (...
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1 vote

How does cold weather affect blood flow, heart beat, and heart attack?

The common consensus seems to be that in cold weather the heart must work harder to maintain the body temperature, and that the arteries contract to save energy, which leads to an increased rate of ...
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  • 1,523
1 vote

Does sleeping in daytime actually kill?

From this article: Scientists from the University of Tokyo are unsure whether it is the napping itself or an underlying condition which makes people more sleepy, that is driving the effect. After ...
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  • 2,228
1 vote
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What OT techniques are common following heart bypass, and how do these correlate to resuming normal daily activities?

Occupational therapists primarily use functional activities to assess and treat individuals who have lost independence due to illness or injury. It is uncommon to use craft type activities outside of ...
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1 vote
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Routine angioplasty after heart attack?

There are many circumstances in which angioplasty would not be performed. First, let's look at when it is performed: Clinical indications for PCI [Percutaneous coronary intervention, or angioplasty]...
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