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Doctor insights on: My Heart Is Beating Hard And I Am Lightheaded

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Dr. Dariush Saghafi
1,076 Doctors shared insights

Lightheaded (Definition)

Lightheadedness is a sensation of feeling faint or "light in the head". It may be a symptom of Low blood pressure, or hypotension, which occurs when blood pressure during and after each heartbeat is much lower than usual. It may also occur when you are dehydrated, as my happen when severe morning ...Read more


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I have been feeling extremely lightheaded, dizzy, and feel like my heart is beating a hundred miles per hour. Only happens when I drive why?

I have been feeling extremely lightheaded, dizzy, and feel like my heart is beating a hundred miles per hour. Only happens when I drive why?

Unusual Problem: The clue that the symptoms occur only when driving suggest a connection to arm exercise. This can be a result of "subclavian steal, " a condition in which a narrowed artery in the shoulder results in blood for the arm being diverted from the brain. A careful examination and ultrasound testing may reveal this diagnosis which is confirmed by angiography and is curable by stenting. ...Read more

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Why do I sometimes feel my pulse? Also why do I sometimes feel like my heart is beating fast? I've also have been getting a little light headed.

Light headed: You maybe having vasovagal symptoms where your blood pressure drops temporarily and you feel your heart faster and louder, however your doc should be able to determine that. ...Read more

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If someone drinks 8 beers a day and takes pain bill that u can buy at a store and take 8 to 10 a day he is weak his heart is beating fast and light headed

If someone drinks 8 beers a day and takes pain bill that u can buy at a store and take 8 to 10 a day he is weak his heart is beating fast and light headed

See doctor asap: If you are talking about tylenol, (acetaminophen) it is much more toxic in someone who is drinking that much, and if he takes 8-10 day he may be causing liver damage. If you are talking about Ibuprofen (motrin, advil) or naproxyn (alleve), it can cause stomach, liver and kidney damage, particularly when combined with alcohol. See a doctor for an evaluation as soon as possible. ...Read more

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I'm a 13 year old girl, my heart is beating around 122 times per minute (I used a Fitbit). I'm dizzy and lightheaded. Could I have heart desiese?

I'm a 13 year old girl, my heart is beating around 122 times per minute (I used a Fitbit). I'm dizzy and lightheaded. Could I have heart desiese?

Not an issue: Your heart speeds up or slows down in response to various factors. The main factor at your age is hormones that are part of the stress response, it prepares your body to run if chased by a bear, etc. The teen years are stressful, and periodic rapid heart rate is expected. You sound pretty normal and the rate of any heart condition is so rare at your age I can't see it happening. ...Read more

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Should I go to ER if my glands are swollen a little feeling light headed sweating feel like my heart is beating fast feet and hands tingling and cold?

Should I go to ER if my glands are swollen a little feeling light headed sweating feel like my heart is beating fast feet and hands tingling and cold?

I will recommend: If the symptoms are new, to stay home hydrate yourself with water and gatorade. And if continue after 24hrs see a physician. If this is more chronic, still go a see a physician for a good history and physical. Ed were design to provide fast, life-or-limb-saving care. But if in doubt go to the nearest er. Only you can decide. ...Read more

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Can chronic stress anxiety depression make your chest heart / full dull feeling and heart beat seen weaker shortness breathe headache lightheaded?

Can chronic stress anxiety depression make your chest heart / full dull feeling and heart beat seen weaker shortness breathe headache lightheaded?

Chest pain, anxiety: Chronic anxiety can also include panic attacks. When having a panic attack you may experience the physiological symptoms that mimic a heart attack because of a rise in heart rate, breathing rate and chest pain. You can also experience weight loss as your metabolic rate is also elevated. Medical reasons should be ruled out first. ...Read more

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What if your hemoglobin is normal but ur BP 70/40 it never goes over but you feel lightheadedness, fatigue, underweight, joints pain, fast heart beat etc.

What if your hemoglobin is normal but ur BP 70/40 it never goes over but you feel lightheadedness, fatigue, underweight, joints pain, fast heart beat etc.

Lots of thingd: Thyroid, adrenal glands, electrolytes. You need your thyroid checked. If normal, then other things need to be evaluated. Other possibilities include depression. You need to go see your doctor! ...Read more

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I got bitten by my kitty 20mins ago. And im feeling light headed, my heart beat is so slow, and I have a dry mouth, help? I don't want to panic.

I got bitten by my kitty 20mins ago. And im feeling light headed, my heart beat is so slow, and I have a dry mouth, help? I don't want to panic.

Vagal response: Immediate lightheadedness and slow heat beat are vagal responses. Relax. Lie down. Breath deeply. If the skin is broken wash is water and anticeptic. If it is deep talk to your pcp tomorrow. ...Read more

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Feel like gonna pass out lately. Light headed trouble breathing. When I get a workout or run my heart beat starts low and weak and major headache?

Feel like gonna pass out lately. Light headed trouble breathing. When I get a workout or run my heart beat starts low and weak and major headache?

Physical exam: Please schedule an appointment for a full history and physical exam. Shortness of breath is a serious symptom that needs prompt medical evaluation by an MD. You may have a respiratory illness or asthma at your age cardiac issues anemia less likely but still need investigation. Family history medications social history like smoking etc. Occupation all helpful info on here. Stay calm and see MD. ...Read more

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Suffer from breathing trouble, chest pain, fatigue, rapid heart beat, lightheadedness since gallbladder surgery 10/11/12. Could I have/had pnemonia?

Suffer from breathing trouble, chest pain, fatigue, rapid heart beat, lightheadedness since gallbladder surgery 10/11/12. Could I have/had pnemonia?

Many possibilities: Many possibilities exist. Pneumonia is one, although as a young adult, it's hard to believe you remain afflicted for so long. Blood clots must also be considered in light if the history if surgery as well as your persistent symptoms. Do you have leg pain? How soon after your surgery did you feel these symptoms? These are all questions to be answered in seeing your primary physician asap. ...Read more

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Feel like gonna pass out lately. Light headed trouble breathing. When I get a workout or run my heart beat starts low and weak and major headaches. Can this be something closing on my heart or in my blood? Or heart problem

Feel like gonna pass out lately. Light headed trouble breathing. When I get a workout or run my heart beat starts low and weak and major headaches. Can this be something closing on my heart or in my blood? Or heart problem

There are many: Possible explanations for the symptoms you are experiencing including cardiac, pulmonary, arrhythmia and neurovascular issues. This cannot be diagnosed over the internet. Get checked out by a health care professional as soon as possible. ...Read more

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I am experiencing shaking hands or tremor, lightheadedness (worsened by: prolonged standing) and leg tingling. & can hear my own heart beat?

I am experiencing shaking hands or tremor, lightheadedness (worsened by: prolonged standing) and leg tingling. & can hear my own heart beat?

Anxiety symptoms: My first guess is that you are anxious. And you are breathing fast during the spells which makes you blow off CO2 and can lead to the symptoms you describe especially the tingling. Try rebreathing into a paper bag so CO2 returns to normal for a few minutes. If this helps bingo. Discuss with your Dr. ...Read more

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She is light headed rapid heart beat, hungry and nauseous at the same time and very thirsty. Diabetes? Urgent care or ER?

She is light headed rapid heart beat, hungry and nauseous at the same time and very thirsty. Diabetes? Urgent care or ER?

Possible hypoglycemi: Low blood sugar can cause these symptoms. Reactive Hypoglycemia can result from eating carbohydrates which raises the blood sugar which then causes a release of insulin which, in some cases, lowers the blood sugar too low bringing on the symptoms mentioned above. Blood testing can diagnose hypoglycemia at the time of symptoms or a few hours after eating a carbohydrate load. Discuss with your MD. ...Read more

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Always tired now. Dry mouth nose. Dull pain and fullness on my center and left side chest. Like something surrounding heart beat being weaker. What can be? I'm going nuts? I got X-ray ekg ft scan blood work. I get lightheaded slow beat then panic.

Always tired now. Dry mouth nose. Dull pain and fullness on my center and left side chest. Like something surrounding heart beat being weaker. What can be? I'm going nuts? I got X-ray ekg ft scan blood work. I get lightheaded slow beat then panic.

Chest symptoms: The symptoms you describe do not necessarily indicate a particular diagnosis. Central left chest pain can be a symptom of serious conditions and it is always better to be safe than to ignore it. You don't want to miss a cardiac problem. Consider seeing an internist or cardiologist, or an Inbox Consult on HealthTap. These little text boxes are too small for a detailed review of your history. ...Read more

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Came to er. Got lightheaded took my oxygen it was 80. Vitals now all normal. Have obstructive airway. Broncho, CBC chest Ct normal. Still shallow breathing can't feel heart beat feels soft / for months. Diff chest pains come cancer? Weak confused

Came to er. Got lightheaded took my oxygen it was 80. Vitals now all normal. Have obstructive airway. Broncho, CBC chest Ct normal. Still shallow breathing can't feel heart beat feels soft / for months. Diff chest pains come cancer? Weak confused

Need consultation: It's not possible to give an answer for a complex serious case with multiple symptoms without a consultation. Suggest either visit your doctor or request a live video consultation on HealthTap. ...Read more

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Random irregular hard heart beat, dizziness, an seeing stars happens when sitting, standing, or just relaxing?

Random irregular hard heart beat, dizziness, an seeing stars happens when sitting, standing, or just relaxing?

Numerous causes: Palpitations can be caused by extra early beats from either the top or bottom of the heart. They may also be due to a very fast heart rhythm. Sometimes the sensation of palpitation is not due to the heart, but to other causes such as stress. Fatigue, caffeine, drugs, and metabolic problems such as too high of a thyroid level can be a cause. An event monitor can be helpful to find out the cause. ...Read more

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I hv migraine & sometimes dizziness with head movemnts. I also constantly feel like my heart is beating (like actual heart beat) inside head. No pain.

I hv migraine & sometimes dizziness with head movemnts. I also constantly feel like my heart is beating (like actual heart beat) inside head. No pain.

Bppv: migraine sufferer is at higher risk for BPPV which causes positional vertigo (due to a dislodged stone in your ear). it is fixed by an Epley maneuver. Alternatively you could be having a vestibular migraine where vertigo is part of it and is not going to be improved by an Epley. You need to talk to a neurologist to adress all this and consider prophylactic medication if your headaches are frequent ...Read more

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Fluttering feeling in heart, beating fast and hard also. I felt light headed and really warm, was shaking, felt like I was going to die. Panic attack?

Fluttering feeling in heart, beating fast and hard also. I felt light headed and really warm, was shaking, felt like I was going to die. Panic attack?

Panic attack: You are a Precious Human Being!
I understand your distress.
These symptoms indicate Anxiety/ Panic attack.
Alcohol, Cocaine, and Amphetamines can cause or make symptoms worse.
Please go to ER for Diagnosis and Treatment. ...Read more

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What could cause a fast heart beat followed by dizziness in a 40 yo woman?

What could cause a fast heart beat followed by dizziness in a 40 yo woman?

Low blood pressure: If the rhythm is fast enough, the heart doesn't have time to fill adequately during each cardiac cycle causing the BP to fall with dizziness and, if prolonged or severe, passing out. For this to happen, the hr is generally >170 although it depends on your age and general condition. ...Read more

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My heart randomly starts to beat faster harder and I start to feel a bit light headed?

My heart randomly starts to beat faster harder and I start to feel a bit light headed?

Cardiac vs neuro: This could be many things relating new medicines that have been started recently, an infection or it may be a cardiologic issue. ...Read more

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Does having a slow heart beat cause dizziness?

Does having a slow heart beat cause dizziness?

Poor blood flow: The balance centers of the brain depend on good blood flow to the brain. If the heart is beating slowly or is not pumping enough blood into the brain, you will feel dizzy. First is to lie down so that the blood flow does not have to go uphill. Next is to lift the legs to be sure enough blood is getting into the heart. If the brain does not get enough blood flow, you can pass out and fall. ...Read more

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Can having a slow heart beat cause dizziness sometimes?

Can having a slow heart beat cause dizziness sometimes?

YES: A slow heart rate is well tolerated in younger individuals and athletes. If heart rate is very slow at rest or does not increase adequately with activity dizziness, lightheadedness or fatigue may result due to inadeequate cardiac output and low blood pressure. See your doctor. ...Read more

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What can having a slow heart beat cause besides some dizziness?

What can having a slow heart beat cause besides some dizziness?

Vascular etiology: Dizziness comes in a variety of symptoms. Lightheadedness is usually a result of decreased blood flow to the brain and may be the result of a heart beat that is less than 40 to 50 beats per minute. A pacemaker may be indicated. Vertigo or the hallucination of movement may be inner ear or rarely central (brain). A slow heart beat may be result in syncope. See a cardiologist. ...Read more

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I feel like my heart is being squeezed tightly, Hard to take deep breaths & Light-headed sometimes. I'm scared what can it be?

I feel like my heart is being squeezed tightly, Hard to take deep breaths & Light-headed sometimes. I'm scared what can it be?

Doubt heart Dis: Assuming that your Physical exam is NL Andno FH of heart Disease, I suspect this to be NOn heart related. It could be Anxiety. When this happens try to relax, take a deep breath & exhale slowley. It may also be Esopageal spasm, due to Acid Reflux. It can be treated with Zantac (ranitidine) or Pepcid AC. Relax & take life easy. ...Read more

Dr. Dariush Saghafi
3,760 Doctors shared insights

Dizziness (Definition)

Dizziness is a feeling of light headedness that includes loss of balance, vertigo, or the feeling as ...Read more