Questions tagged [cardiovascular-disease]
The cardiovascular-disease tag has no usage guidance.
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Why are some guidewire's tips bend for endovascular interventions?
I am working in a medical-physics field and want to summarize some information about guidewires. I have read, that guidewires can sometimes have their tip bend slightly in one direction, in order for ...
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Discordant optimal total cholesterol levels for lowest mortality?
The 2019 ESC/EAS dyslipidemia guidelines [1] recommend lowering LDL cholesterol as much as possible to reduce cardiovascular risk. They cite evidence that higher LDL cholesterol increases CVD risk and ...
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How to interpret the statistical results from a medical study
I would greatly appreciate help in understanding the significance of the snippet below copied from a study at the link below.
"Compared with participants eating three meals per day, the ...
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How (through what mechanism) does ingesting Saturated Fat (but not Mono unsaturated Fat/PUFA) increase Serum Cholesterol./ measuredLDL-C?
I know that the saturated fats you ingest are broken down in the intestines by the bile acids/enzymes from liver and then resynthesized as triglycerides after crossing the enterocytes. Then these ...
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Cardiovascular complications associated with COVID 19 by vaccination status and, if vaccinated, by type
I apologize if this is an obvious question. I think I am not finding research on this because I am asking the question wrong in literature searches. I am far outside my normal area of academic ...
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Why in Brockenbrough-Braunwald-Morrow there is a paradoxical decrease in arterial pulse pressure?
The article here tells that in HCM due to ventricular premature contraction there is enough time for dilatation of ventricular filling which increases end diastolic volume thereby increasing ...
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Why is carotid endarterectomy not beneficial for symptomatic 100% internal carotid stenosis?
According to this review article, for symptomatic internal carotid artery stenosis:
[Carotid endarterectomy] was highly beneficial in participants with 70% to 99% stenosis without near-occlusion (N = ...
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Does vasodilation in one part of the body mean another part of the body must vasoconstrict?
The body has a set volume of blood, so when someone is given nitrates to vasodilate (primarily) their veins, would this not increase the total volume of the vessels in the body? If this is the case, I ...
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if diameter of alveoli is reduced to half, resistance becomes? [closed]
this is an MCQ for my upcoming exam. I have searched the internet but found mixed answers so far.
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Does COVID-19 cause myocardial infarctions?
I heard that NYC hospitals are seeing an increased cases of myocardial infarction with higher mortality than normal during this COVID-19 pandemic. What the connection is between COVID-19 and ...
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Difference between BHI biphasic and Castaneda culture media in diagnosis of infective endocarditis
So I am currently studying Hematology/CVS and there is some vital microbiology attached to this. I am studying infective endocarditis and one of the Duke's Criteria involves a Lab Diagnosis which ...
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Is there any evidence that Nitric oxide prevents or reverses cardio-vascular disease?
As far as I understand, it is established that NO has the effect of dilating the blood vessels.
Many also claim that it can prevent or even reverse cardio-vascular disease. I have however not been ...
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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 ...
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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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What is the difference between vasoconstriction and contractility?
I was reading few articles that mention stress induced cortisol may contribute to vasoconstriction and contractility as if they are different. I did some searches on vasoconstriction and ...
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How well established is the connection between insulin resistance and CVD?
I am trying and failing to understand the topic of good and bad cholesterol and how it relates to diet.
It is still common wisdom, that LDL is to blame for artery calcification and resulting coronary ...
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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 ...
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If high cholesterol does not cause as atherosclerosis? Then what does?
I frequently come up with articles about the topic such as this one https://www.nhs.uk/news/heart-and-lungs/study-says-theres-no-link-between-cholesterol-and-heart-disease/. Now, if there is no link ...
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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 ...
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Fatal adult-onset blood/vascular disorder
I'd like to know if there's a blood or vascular disease/disorder that fits, or could conceivably fit, all the following criteria, even if only in theory:
Present from birth
Onset of symptoms, or a ...
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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 ...
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Cardiovascular risk of light smoking
What's the cardiovascular risk of light smoking? Does a light smoker only incur a proportionally small fraction of the risk of a heavy smoker?
What I've found so far is the following:
According to ...
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Is there a drug being developed for heart palpitations without arrhythmia? [closed]
Is there a drug being developed for palpitations without arrhythmia?
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Fibrin production from joint damage promotes arterial blockages?
Can increased fibrin production from joint damage promote vascular disease such as arterial blockages, particularly where obesity or markedly increased weight causes knee, hip, ankle, and spine damage?...
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How far away from a highway should I live to avoid negative health effects?
Many articles on the internet claim that living near highways can be harmful to one's health. Here is an example:
https://www.thestar.com/news/canada/2017/01/05/living-close-to-high-traffic-roads-...
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Eggs & heart health?
How does egg consumption impact atherosclerosis/cardiovascular disease risk? I'd especially welcome experimental studies.
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What could be the reason for difference in adverse effects profile between original and generic Clopidogrel?
I was consulted on the following clinical case:
An elderly woman (over 65 years old) on Plavix due to 2 CVAs in the last few years. Six months ago treatment was changed to a generic Clopidogrel ...
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Baby with ASD VSD PDA altogether
If a baby has ASD VSD and PDA altogether, than what are the chances for his self-recovery without any heart surgery. Also how soon would you expect such a recovery?
What are the things you would ...
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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 ?
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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 ...
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Heart Attack Risk Score calculation
Someone recently mentionned to me a score to calculate my risk of having a heart attack in the next years.
Unfortunately he was not able to tell me where I could access this tool (or is this just ...
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Baby aspirin interaction with other NSAIDs
Baby Aspirin (ASA 81 mg) commonly prescribes as a cardiovascular protective agent because of its unique antiplatelet effect. NSAID-NSAID interaction is a famous well known interaction.1 2 3
My ...
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Why would one Carotid Artery be blocked but not the other
Why would one Carotid Artery be blocked but not the other. I know someone who has a 50% blockage on the left side, but minimal on the other ... why would this be?
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Can dental problems impact cardiovascular health?
Can dental cavities or gum disease have a negative impact on cardiovascular health?
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Management of erectile dysfunction in type I diabetes [closed]
Type I diabetes is in the long term associated with accelerated vascular and autonomic disease. One of the consequences of both of these is erectile dysfunction. What diagnostic tests are used to ...
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What disorder would cause sweating to appear only on one half of the face?
Or a more detailed question, what would cause a vertical divide (through the center of the nose) of the face, where one half has normal sweat gland function and another does not? There are no motor or ...
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What causes aortic aneurysm
An aortic aneurysm is a balloon-like bulge in the aorta, the large artery
that carries blood from the heart through the chest and torso.
What could be the possible causes of aneurism?
user2931
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What does "Townsend quintile" mean?
Can anyone tell me what does "Townsend quintile" mean exactly?
I am trying to use this cardiovascular risk assessment.
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What heart condition(s) cause tingling and lightheadedness that are NOT caught by an ECG?
Please note: A lot of things cause tingling in the face + extremities ("neuropathy") as well as lightheadedness, but in this question, I'm only interested in potential heart conditions, or anything ...
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What natural supplements exist to lower LDL cholesterol and raise HDL cholesterol?
The doctor told me to use Niacin or Red Yeast to reduce cholesterol. Examine.com, which seems to be pretty legit, seems to support using Garlic as a natural alternative. What supplements exist with ...
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Should we all be getting calcium scans for detection of coronary artery disease?
I recently watched a documentary on the diagnosis and treatment of coronary artery disease and it’s consequence (myocardial infarction) in which surgical intervention before an event - via a calcium ...
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What are some treatment procedures for aortic insufficiency?
Aortic insufficiency is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle.
What are ...
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Is moderate alcohol consumption beneficial for maximizing life expectancy?
I have heard that moderate alcohol consumption may prevent cardiovascular disease, but I have also heard that even moderate alcohol consumption can increase the risk of cancer (particularly breast ...
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Does blood donation reduce the risk of cardiovascular disease?
While answering this question about the possible detrimental effects of iron deficiency caused by frequent blood donation, I was reminded of a theory I heard long ago about a possible benefit of mild ...
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Are calcium supplements harmful, even if you stay short of the maximum dose?
Source: Do You Really Need Calcium Supplements?, Margaret Polaneczky MD, 2014 Oct 2
You may also have heard that taking calcium supplements can lead to heart disease. It’s still an open question. Some ...
user14