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Doctor insights on: Vasodilators Cause Palpitation

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What's causes palpitations?

What's causes palpitations?

Palpitations: Palpitations have many causes from anxiety through anatomic and physiologic abnormalities. The feeling of bounding usually relates to the volume of blood pumped with each palpitation. There is no simple single answer for the question. If you're bothered by the feeling should consult a dr. To see if the problem can be clarified. ...Read more

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Dr. James Chapman
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Palpitation (Definition)

Palpitations are an awareness of extra heartbeats which most of us have. The sensation can be single or multiple and can sometimes last minutes. Different people may feel other symptoms along with them such as dizzy, lightheaded or short of breath. The palpitations are almost always atrial or ventricular premature beats. Usually benign but they are also ...Read more


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Why do vasodilators cause tachycardia and palpitation?

Why do vasodilators cause tachycardia and palpitation?

Vasodilators: Vasodilators do what the name implies: these compounds dilate blood vessels, resulting in a decrease in blood pressure. As the baroreceptors detect this, they command the autonomic nervous system to increase adrenaline output. This, in turn, increases heart rate and increases cardiac irritability. ...Read more

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If verapamil is a vasodilator how can it be a headache medicine when vasodilation caused headaches?

If verapamil is a vasodilator how can it be a headache medicine when vasodilation caused headaches?

Depends on headaches: if verapamil treats the cause of the headache then it should help, talk to your doctor for more information, I am available for second opinion if needed ...Read more

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What is the definition or description of: vasodilator?

What is the definition or description of: vasodilator?

Blood vessel relaxer: Blood vessels have the capability of increasing or decreasing their diameter. When a blood vessel dilates, it generally leads to lowered blood pressure. Drugs that cause this are termed vasodilators. These can act on arteries or veins. Some classes of vasodilators include nitrates, calcium channel blockers and alpha-adrenergic blockers. ...Read more

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Is there a vasodilator that lowers intra-cranial pressure?

Is there a vasodilator that lowers intra-cranial pressure?

Loaded question: Why is it you have elevated intracranial pressure. Intracranial hypertension, pseudotumor? The cause is imprtant as to potential treatments vasodilars my be inapprpriate as they may increase a headache some diuretics such as mannatol and Diamox (acetazolamide) are used to control intracranial pressure. ...Read more

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Help please! is caffeine a vasodilator or vasoconstrictor?

Help please! is caffeine a vasodilator or vasoconstrictor?

Caffeine is...: Caffeine has a near-identical chemical structure as theophylline, a well known bronchodilator. As for the vasculature, caffeine typically vasoconstricts the peripheral vasculature as reflected in increased systolic & diastolic pressure, but not cardiac output or left ventricular contractility. Caffeine also blocks (inhibits) Adenosine in the brain--this is what keeps you awake... ...Read more

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Are natural vasodilators like Hawthorne extract as powerful as nitrates?

Are natural vasodilators like Hawthorne extract as powerful as nitrates?

No : Hawthorn , leaves Barrie's snd leaves are used to make medicine . Hawthorn has been used to treat congestive heart failure , but not enough research for other heart disease . I doubt that it is as effective as prescription medication . For further Info . Go to web MD ...Read more

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Is burdock a vasodilator?

Unknown: The national institutes of health center for complementary and alternative medicine has no listing for burdock. Webmd does but doesn't comment on mechanism. Be aware that some formulations of burdock contain belladonna which is poisonous if overdosed. Unlikely that the mechanism of burdock has ever been systemically studied as no one would pay for it. This is the problem with all otc herbs. ...Read more

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When are vasodilators used?

When are vasodilators used?

Multiple uses: They are used in different diseases including hypertension, coronary artery disease, raynaud's disease , during some vascular interventions ...Read more

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Are there any OTC vasodilators?

Are there any OTC vasodilators?

Minoxidil: Minoxidil is a vasodilator that is otc used for treatment hair loss under brand name rogaine (minoxidil) .. Otherwise I am not sure of others. ...Read more

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Are there any "natural" vasodilators?

Sure.: But, for what purpose? Nitrates (for example found in beetroot juice) & folic acid can possibly lower blood pressure at least in part via vasodilation. Niacin has been used to lower lipids and is well known as a powerful vasodilator, causing intense flushing in many people, and perhaps has an anti-hypertension effect. If we know what you want to do, we can probably answer better. ...Read more

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What are examples of drugs that are vasodilators?

What are  examples of  drugs that are vasodilators?

Multiple meds: Different drugs with different mechanism of action like calcium channel blockers, ace inhibitors, arbs, Nitroglycerin , nitroprusside, direct smooth muscle inhibitor like minoxidil, sympatholytics like Alpha one receptor blockers like prazocin .. Etc. ...Read more

Vasodilator (Definition)

Blood vessels have the capability of increasing or decreasing their diameter. When a blood vessel dilates, it generally leads to lowered blood pressure. Drugs that cause this are termed vasodilators. These can act on arteries or veins. Some classes of vasodilators include nitrates, calcium channel ...Read more


Dr. Jerome Zacks
639 doctors shared insights

Palpitations (Definition)

Heart palpitations are a clinical finding in which a person feels his heart beating strongly, feels his heart beating fast, or both. This can occur with anxiety disorders or heart conditions including ...Read more