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Doctor insights on: Artificial Heart Jarvik

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How safe are artificial heart valves?

How safe are artificial heart valves?

Quite safe: In this day in age, several hundred thousand of these procedures have been performed successfully. Three types of valves: animal (porcine or bovine), bioprosthetic, mechanical. The latter requires long term blood thinners and blood test have to be performed periodically to ensure the blood is thinned enough. The latter tends to have a longer life, too. ...Read more

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My Girlfriend is experiencing slow heart rate, rapid heart rate (worsened by: caffeinated drinks (coffee, tea, soda, etc.), psychological stress) ...

My Girlfriend is experiencing  slow heart rate, rapid heart rate (worsened by: caffeinated drinks (coffee, tea, soda, etc.), psychological stress) ...

You know: this all sounds perfectly within normal limits...Just a thought...it might help if she would start a supervised exercise program (approval from her PCP Primary Care Provider is STRONGLY recommended! Hope this helps! Dr Z ...Read more

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Why are artificial heart valves important?

Why are artificial heart valves important?

Artificial heart : They are important as a therapeutic option for patients whose native valves are causing severe trouble. Without the option their outcome can be very poor. ...Read more

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Heart ultra sound shows leaky valve .Stress test heart rate 170 at 2nd stage.Pre mature irregular beats.Almost faint when standing.Tired.Short breath?

Heart ultra sound shows leaky valve .Stress test heart rate 170 at 2nd stage.Pre mature irregular beats.Almost faint when standing.Tired.Short breath?

Leaky heart valve: The symptoms of lightheadedness when standing is often related to a drop in blood pressure and/or heart rate. Since you also have fatigue and shortness of breath, as well as irregular heart beats on the stress test and a leaky valve on the echocardiogram you should be evaluated by a cardiologist. There are other tests that can be performed to help with the diagnosis. ...Read more

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Is severe ectopic heart beats dangerous w/ lack of oxygen to the heart w/ pulm stenosis, h murmur and severe asthma? Pulse is 120+ w/ heart medicine.

Is severe ectopic heart beats dangerous w/ lack of oxygen to the heart w/ pulm stenosis, h murmur and severe asthma? Pulse is 120+ w/ heart medicine.

Too complicated: In general the answer would be no, but your situation is quite complicated and you will need to discuss with your doc or cardiologist. ...Read more

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What are the risks and benefits of stenting diseased blood vessels / heart bypass surgery / heart transplant / artificial heart valve transplant?

What are the risks and benefits of stenting diseased blood vessels / heart bypass surgery / heart transplant / artificial heart valve transplant?

Way too complex: This question is way to complex for a short text Q&A. Individual patient information is needed to really discuss risks and benefits. This discussion needs to be with a live cardiologist and/or cardiac surgeon. ...Read more

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Why are pig heart valves suitable as replacements for damaged heart valves in humans?

Why are pig heart valves suitable as replacements for damaged heart valves in humans?

Tissue valves: The size of pig and cow valves approximates the size of human valves. They are chemically treated to decrease the likelihood of tissue rejection. The porcine valves are more commonly used than the bovine. ...Read more

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Skipbeats frequent when I chew gum, spicy food (HR jumps 90-115bpm and acid reflux 5-12 skip/hr)is that normal?Echo mvp/trMR 48holter 26 pac's 6 pvc's

Skipbeats frequent when I chew gum, spicy food (HR jumps 90-115bpm and acid reflux 5-12 skip/hr)is that normal?Echo mvp/trMR 48holter 26 pac's 6 pvc's

That is an extremely: small number of extra systolic beats. I don't know how you can say they increase when the total is minuscule. At your age, heart rate variability is common as the autonomic system is highly responsive to many stimuli. Nothing you describe is out of normal range or worrisome in any way. ...Read more

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Warfarin user refused neck surgery too dangerous need warfarin friendly pain management medicine artificial aorotic heart valve?

Warfarin user refused neck surgery too dangerous need warfarin friendly pain management medicine artificial aorotic heart valve?

Second Opinion: This is not an unusual problem. You cam be transitioned to another anti-coagulant with the help of your cardiologist prior to the operation. The surgeon can then do the surgery and you can be placed back on your coumadin (warfarin). Discuss with your cardiologist about recommendations for another surgeon. ...Read more

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Can 200mg paracetamol, 300mg aspirin, 45mg caffiene tablets cause heart palpitation leading to cardiac arrest?

Can 200mg paracetamol, 300mg aspirin, 45mg caffiene tablets cause heart palpitation leading to cardiac arrest?

Perhaps: Possibly in significant overdose, due to the caffeine, which is a cardiac stimulant --> toxin (depending on dose). More likely if underlying heart disease or other physiologic stressor. ...Read more

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38yr male non smokernondrinker eats heart healthy daily exercise/no familyhistory heart disease /suffered widowmaker 90%bloc 2stents hehasnospleen ?

38yr male non smokernondrinker eats heart healthy daily exercise/no familyhistory heart disease /suffered widowmaker 90%bloc 2stents hehasnospleen ?

Widow maker: Coronary events in such patients are unusual but not unheard of. It may be worth getting evaluated for hypercoaguable state where blood is more apt to clot due to blood related condition ie homocystinuria. ...Read more

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Could an artificial heart be immune to heart attacks?

Artificial heart: An artificial heart doesn't isn't supplied by arteries so a classic heart attack isn't a problem. Artificial hearts come with their own unique problems which are not 'heart attacks' but can be quite bad problems in their own right. ...Read more

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100/60 heart beat 76bmp age 66 on linsiprol & bisoporol?

100/60 heart beat 76bmp age 66 on linsiprol & bisoporol?

Blood pressure: Are you having any symptoms such as lightheadedness, chest pain, or shortness of breath? Your blood pressure and pulse are fine if you have no symptoms. Your blood pressure could be on the low side if you normally run higher - If you are having symptoms, you need to get in to see your physician for evaluation. Take care. ...Read more

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Why isn't tvar heart valve replacement offered to all heart patients?

Why isn't tvar heart valve replacement offered to all heart patients?

Due to risk: Of not tolerating the procedure (dying on the operating table) is the most common reason. Other reasons could be related to other comorbidities including kidney disease or underlying severe respiratory problems, ...Read more