Questions tagged [cardiology]

the branch of medicine that deals with diseases and abnormalities of the heart.

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1answer
2k views

Can weak people use their feet when doing CPR?

Could doing CPR with a foot cause harm to the recipient? In a situation where the rescuer were unable to continue due to fatigue of the arms, is there a way to safely do CPR with the foot?
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1answer
88 views

Is heart rate indicative of sleep phase?

Lately I've been using an alarm clock that determines what phase of sleep you are in (light or deep) so that it waits until you are at a lighter sleep phase before waking you up. It does this by ...
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2answers
127 views

If you are told you're going to have a heart attack in one month, what can you do now to prevent it?

If an unhealthy individual were given this news, could they make enough life style changes in a single month to prevent an impending heart attack without medical intervention? What would be the first ...
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2answers
1k views

Are there a maximum number of times for surgical ablations on patients with Atrial Fibrillation?

Are there any links to research which would suggest an optimum or maximum number of times for ablation on the same heart? Do chances of stopping AF symptoms change with each surgery?
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2answers
336 views

Does the digestive disorders affect the location of aorta beat around navel?

You might have experienced this. If you lie on your back on a flat surface and place your finger or thumb right over navel (men or women), and press softly down, you'd feel the beating just like ...
5
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1answer
171 views

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 ...
4
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1answer
672 views

Why does breathing stop during cardiac arrest?

I've been reading about resuscitation, and found several suggestions that people don't continue breathing after effective heart function stops because the diaphragm quickly runs out of oxygen. Is ...
1
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1answer
76 views

Metolar XR after Lis ASD surgery [closed]

I am 33 and had an LIS, ASD closure,everything went well, however my doctor suggested me to be on Metolar XR 25mg for a year. I am worried since I had no hypertension or rhythmic disturbance but had ...
6
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1answer
180 views

Mechanical cardio resuscitation for asystole

We have great machines for shocking a heart out of various malfunctions. But my understanding is that the only "machine" indicated for restarting a heart that has completely stopped (i.e., "flat-...
6
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1answer
380 views

Can Manual External Defibrillators “restart” a heart?

On TV it appears that every time a heartbeat monitor flat-lines they pull out the paddles of a manual external defibrillator (MED) and give a few shocks, often explicitly cranking up the output when ...
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0answers
26 views

Tight upper back when running on a treadmill

When I go to the Gym and do running on a treadmill I get a tightness across my upper back when I run at 9km/h or more. It's worth noting that I have asthma and use the Brown preventer inhaler and the ...
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0answers
21 views

Why does Atropine help to stop Paroxysmal Ventricular Ahrrythmias?

Why does Atropine help to stop Paroxysmal Ventricular Ahrrythmias? Can this be explained in context to the heart's anatomy?
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1answer
257 views

Bifascicular Block In Young Male Asymptomatic Patient

An asymptomatic 25 year old male presents with an ECG pattern of bifasicular conduction block (left anterior hemi-block and right bundle branch block) after experiencing "extra/skipped beats". The ...
7
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1answer
231 views

Can sleeping too much damage the brain and heart?

I heard that sleeping long hours can damage brain functions and harm the heart. Is that true?
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1answer
233 views

Is there such a thing as a hard heart beat? (as opposed to a fast heart beat)

I've picked up weight lifting recently and the thing I've noticed is that it really gets the heart pumping. After a heavy set of squats for instance I can hear my heart beating in my ears and feel it ...
4
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1answer
339 views

Decisions about anticoagulation in atrial fibrillation: how to factor in thrombocytopenia?

The benefit of anticoagulation for prevention of stroke in patients with atrial fibrillation has been well established. However, the benefit is always to be weighed against the risk, in this case, ...
2
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2answers
285 views

When is angiography needed in stable angina patients?

Under which conditions is angiography needed in patients who have 'stable angina')? In other words, what are the 'indications' of angiography in such patients? The angiography is done with a view to ...
5
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1answer
368 views

What are the potential effects of mobile phones on pacemaker function?

I was wondering if mobile phone can negatively effect pacemakers. Most websites recommend reduced phone usage, but I can't find any research that explains how they can interfere with pacemakers. ...
4
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0answers
315 views

Mechanisms that causes prominent veins during physical exercise

I have just read this article about why veins become prominent while exercising: Why do veins pop out when exercising, and is that good or bad? I have some questions about this: The article ...
8
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2answers
31k views

What does “sinus rhythm otherwise normal ECG” mean?

I just recently made an ECG to be able to participate in a study and I am curious what "sinus rhythm otherwise normal ECG" means. Is my sinus rhythm out of order? A doctor will be checking my ECG and ...
5
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1answer
17k views

Can a sunburn increase your resting heart rate?

I've been using a Fitbit to track my resting heartrate (among other things). The value has consistently been in the 55-60 range for several weeks (most typical value over the past week or two is 57). ...
5
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1answer
2k views

What does “Townsend quintile” mean?

Can anyone tell me what does "Townsend quintile" mean exactly? I am trying to use this cardiovascular risk assessment.
2
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1answer
159 views

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 ...
12
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3answers
260 views

Can stress increase blood pressure?

Whenever I get my blood pressure checked, whether by machine or person, I become extremely stressed. My heart rate then increases quite a bit into the hundreds, usually around 110-120 (my normal is 55-...
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0answers
88 views

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 ...
3
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0answers
79 views

40 y/o woman admitted with ARDS but normal values

Second year medical student asking: A 40 year old woman is admitted to the ICU with acute respiratory distress syndrome due to a life threatening case of pneumonia. Her respiratory values are as ...
9
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2answers
365 views

Benefit of closing atrial septal defect in adults

Atrial septal defect is the most common type of hole in the heart encountered in adults. In many cases, the patients do not have any symptoms or difficulties. Are there any studies to show that there ...
8
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1answer
786 views

Blood pressure in aorta vs. blood pressure in brachial artery

Second year medical student asking. Does the blood pressure at the root of aorta equal the blood pressure in the brachial artery? I've heard it does but it doesn't quite seem to make sense as I'd ...
6
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1answer
155 views

Pacemaker and MRI

Is it safe for patients with pacemakers to have MRI? Although earlier it used to be said that patients with pacemakers should not have MRI, but apparently some recent data says it is not that ...
9
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1answer
159 views

What is the effect of energy drinks on the heart?

I was watching a Youtube video of a man who supposedly drank 20 energy drinks in a row. It appears that his heart enlarged greatly. Is this something that energy drinks could actually do?
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3answers
1k views

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

Which is better: thrombolysis (treatment with clot busting medication) or primary angioplasty (an invasive procedure for mechanical opening of the blocked artery)? Does it matter if the patient ...
5
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1answer
7k views

Is lemon juice bad for heart failure?

Drinking a lot of grapefruit juice is not recommended for patients with heart failure. Does the same apply to lemon juice? and whatever the answer, why? My source for the assertion about grapefruit ...
6
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1answer
205 views

Medical puzzle: can blood flow in arteries be non-pulsatile?

Recently there have been questions on blood pressure and pulse pressure on this forum. Can the blood flow in arteries of a living human be non-pulsatile (i.e. not producing a pulse)? That is, the flow ...
13
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1answer
861 views

Does the heart become stronger or weaker after an intensive workout?

I perform 12 push-up series with 1 minute and 15 seconds break between them each day. After this session i feel my heart pounding like crazy for ~5 minutes. Even hours after, i feel the heart beating ...
9
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1answer
6k views

How much difference should there be between systolic and diastolic pressure?

How much of a difference should there normally be, between systolic and diastolic pressures? What could cause them to be too far apart, or too close together? What other symptoms could such deviation ...
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0answers
206 views

How likely is a person to develop permanent health issues if he/she is sensitive to and continuously exposed to marijuana fumes?

I'm a 29 year old male, I live in an apartment, and the tenant above me is smoking a lot of marijuana every day and has been doing so for the last three months**. The fumes are entering my apartment ...
5
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1answer
96 views

Is it possible to calculating HRV from heart rate alone?

I don't have ECG graphs and R-R peaks, but I need to calculate the HRV(heart rate variability). Is it possible to calculate this from the heart rate alone? How reliable would that be?
13
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2answers
591 views

What do blood pressure readings indicate?

I have heard 120 by 80 is considered normal blood pressure. What do these numbers indicate? I am not a science student. Please explain in non-complicated language.
11
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3answers
389k views

Is it normal to feel your heart beat in your chest?

Is it normal for a person to at times feel their heart beat in their chest without actually placing their hand on their chest, while at other times not be able to (even though the pulse is strong, ...
7
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2answers
387 views

Is having a congenitally fused heart valve a hereditary condition?

A person (close to me genetically) recently had a surgery to replace an aortic heart valve that the surgeon called "the ugliest valve he'd seen in a long time". Two of the leaflets were fused ...
13
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1answer
491 views

What are pros and cons of different approaches to aborting ventricular tachycardia?

Idiopathic (or spontaneous, unknown origin) ventricular tachycardia is a type of ventricular tachycardia (VT) that occurs in patients with structurally normal hearts. I would like to know what the ...

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