rapid heartbeat? Anxiety perhaps or a HEART ATTACK-see signs you must learn to live

What is a rapid heartbeat?

A rapid heartbeat, also called tachycardia, is a condition in which the heart is beating fast, generally more than 100 beats per minute for an adult. A rapid heartbeat can be normal, or it can result from a disease, disorder or other harmful condition.

The rate at which your heart beats varies continuously, rising and falling in response to many conditions and situations. For example, your heart rate will rise during strenuous activity in order to ensure that all the cells of the body receive sufficient amounts of oxygen-rich blood. The heartbeat may also become faster in response to stressful situations or when you are in pain. Your heartbeat is normally lower during periods of relaxation or sleep. The average adult resting heart rate falls within the range of 60 to 80 beats per minute.The heart pumps blood to the lungs and the rest of the body by contracting its four chambers. The two upper chambers are called atria and the two lower chambers are called ventricles. The sinus node, a small group of cells in your right atrium, transmits an electrical impulse through the heart, causing the atria to contract. The impulse travels through the ventricles, enabling them to contract and pump blood throughout the body. The number of times the heart beats per minute is called the heart rate. The rate of these contractions is determined by nerve impulses and hormones in the blood..

Your heart rate is affected by many factors, including age, general physical condition, aerobic conditioning, and altitude. Infants and children normally have a more rapid heartbeat than adults. A rapid heartbeat can also be caused by many diseases, disorders and conditions, such as heart disease, congenital heart defects, and hyperthyroidism.

Treatment of an abnormally rapid heartbeat varies depending on the specific type of underlying heart rhythm, its underlying cause, your age and medical history, and other factors.

Types of rapid heartbeats

A rapid heartbeat (tachycardia) is a type of cardiac arrhythmia. There are a variety of types of rapid cardiac arrhythmias:

• Atrial fibrillation (AF) is caused by an irregular, rapid quivering of the atria, the upper chambers of the heart. AF can result in ineffective pumping of blood, pooling of blood in the atria, and the formation of blood clots.
• Sinus tachycardia is a rapid, regular heartbeat that is over 100 beats per minute in adults. Sinus tachycardia may be normal in many cases and occurs as a response to many common conditions, such as exercise, stress, caffeine, illness, pain, or medication side effects.
• Supraventricular tachycardia (SVT)is an extremely rapid heart rhythm that can compromise blood flow to the body if it is not treated rapidly. While anyone can develop SVT, it is more common in children. SVT is often intermittent, meaning that it comes and goes over time. Episodes may last from several minutes to several hours.
• Ventricular tachycardia (VT) originates in the ventricles, the lower chambers of the heart. VT is life threatening because the heart contracts before filling with enough blood, resulting in an inadequate blood flow to the brain and other parts of the body. In many cases, this rapidly leads to loss of consciousness and the need for cardiopulmonary resuscitation (CPR) and advanced life-saving measures. VT can be caused by a variety of conditions, such as heart disease.

Certain types of rapid heartbeats or cardiac arrhythmias are serious or immediately life threatening.Seek immediate medical care (call 911) if you think that you, or someone you are with, have a rapid heartbeat with dizziness, fainting, or change in alertness, chest pain, or shortness of breath.

SYMPTOMS

What other symptoms might occur with a rapid heartbeat?

A rapid heartbeat may occur with or without noticeable symptoms, which can vary depending on the underlying cause. If you know how to take your own pulse, you will generally feel a rapid pulse at the wrist with a rapid heartbeat. However, in some types of serious rapid heartbeats, such as atrial fibrillation, it may be difficult to feel and count an accurate pulse because the heart is not pumping blood effectively enough to produce a strong pulse

anxiety

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Second Case of Cured HIV Infection in the World'

by The Dr. Oz Show

Physicians in Mississippi were able to completely clear a child’s HIV infection with aggressive anti-HIV medications – resulting in the first child to be cured of HIV.

This is only the world’s second reported case of cured HIV. The first person cured was Timothy Brown, a middle-aged man who had received a bone marrow transplant from a donor who was genetically resistant to HIV infection.

The child, who is now 2.5-years-old, was born with HIV. The mother didn’t know she had HIV until a blood test confirmed it while she was in labor.  Usually, pregnant mothers with HIV are given a preventative dosage of HIV medication months before delivery in order to prevent transmission to the baby in utero or during labor.

However, the child was born with detectable levels of virus in its blood, and was aggressively treated around 30 hours after birth, which is not usually done for HIV-infected infants. Physicians give smaller doses of a single medication around 48 hours after birth.

However, Dr. Hannah Gay, a pediatric HIV specialist at the University of Mississippi, decided to administer three different HIV medications instead of just one. “I just felt like this baby was at higher than normal risk, and deserved our best shot,” she said in an interview. The child responded well to treatment through 18 months of age, when the child was lost to follow up. However, when the mother and child returned to clinic five months later, there seemed to be no trace of the HIV virus in the child’s blood.

In 2011, 330,000 babies were infected with HIV according to the United Nations. There are currently 3 million children who are living with HIV in the world. If this new technique proves effective for other children, this could serve as a potential treatment option for the hundreds of thousands of children born to HIV-positive mothers in the United States and abroad.

More research will be needed in order to apply this treatment to other HIV-infected infants, but this news comes as a positive stimulus for researchers around the world looking for a cure or HIV vaccine.

7 Myths About HIV/AIDS

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Many myths are still around about HIV and AIDS. Get the real story here -- it can help you enjoy a full, healthy life.

Myth 1: Treating HIV will require me to take dozens of pills every day.

Fact: Years ago, people with HIV needed to take a lot of pills. Now, most people starting on HIV treatment only take 1 to 4 pills daily. You may be able to take medicines that combine 2 or 3 drugs in a single pill.

Myth 2: I can wait to start taking medicine for my HIV.

Fact: You probably need to start taking HIV meds right away. Your doctor will talk to you about taking drugs called “antiretroviral treatment.” They limit the level of HIV virus in your body. This helps protect your immune system and lowers the chance that you’ll pass the virus to others.

Myth 3: Because I have HIV, I’m going to develop AIDS.

Fact: It’s possible that you’ll develop AIDS, the disease that HIV causes. But it’s also possible you won’t. If you begin taking HIV drugs promptly, they can help protect you from advancing to AIDS for many years.

Myth 4: If I’m on medication, I can’t spread HIV through sex.

Fact: If you take your HIV drugs properly, over time the level of virus in your blood may fall so low that your doctor will call it “undetectable.” But the virus is still in your body. That means you still have a risk of passing the virus to a sex partner, so use protection.

Myth 5: I should avoid exercise since I have HIV.

Fact: Exercise is a good way to protect your health when you have HIV. It can:

• Prevent fatigue
• Improve your appetite
• Lower your stress
• Maintain your muscles
• Protect your bones

Aim for 30 to 45 minutes of exercise a day. Get both aerobic and strength-training exercise.

Myth 6: I’m not going to live long enough to need to worry about other diseases.

Fact: Today, many people with HIV are living long lives. If you keep the virus under control with HIV medicine, you may live for many decades. But you may have a higher chance of problems including cancer, heart disease, and kidney disease. So follow the usual steps for good health:

• Eat a healthy diet.
• Exercise.
• Don't smoke.

Some HIV medicines have side effects that can cause weight loss, like diarrhea and nausea. Talk to your doctor (or a dietitian) about how to eat right and prevent weight loss. Also tell your doctor about any other medicines you’re taking and any other health problems you have. HIV drugs can change how your other medicines work. They can also make controlling other health problems, like diabetes, more difficult.

Myth 7: Now that I have HIV, I can’t have kids.

Fact: If you’re a man with HIV, you may still be able to safely father a child. If you’re a woman, you may still be able to safely become pregnant. Doctors can help you take steps to lower -- or remove -- the chance that you’ll pass the virus to your partner during conception. If you're pregnant, your doctor may have you take certain HIV drugs that may help protect the baby. The baby may also be given medication after birth.



The heart is a very efficient organ, pumping nutrient- and oxygen-rich blood to all muscles in the body, including the heart itself. Compromise blood flow to the heart muscle and cells begin to die, electrical nodes that control the heart's rhythm go haywire, and the heart is no longer a well-organized pump. 

Coronary artery disease is the most common cause of a heart attack. It occurs when the arteries are clogged with plaque deposits that prevent blood from flowing freely. Comprised of fat, cholesterol, calcium, and other debris, the plaque can partially or totally block the flow of blood and promote blood clots. Over time, the plaque thickens in a process known as atherosclerosis. Clots can travel to vessels of the heart, lungs and brain. Left untreated, atherosclerosis can lead to a heart attack, stroke and death.

Factors that up your risk for heart disease include

• Smoking tobacco
• Sedentary lifestyle
• High blood pressure
• Low HDL and high LDL cholesterol
• Diabetes
• Being overweight or obese
• Stress