Red makes the heart beat faster. You will frequently find this and other claims made for the effects of different colours on the human mind and body. But is there any scientific evidence and data to support such claims? The physiological mechanisms that underpin human colour vision have been understood for the best part of a century, but it is only in the last couple of decades that we have discovered and begun to understand a separate pathway for the non-visual effects of colour.

Suddenly, as the yelling broke off, heavy footsteps came quickly towards the bottom of the staircase, the sound of Tommy's father approaching yanking him from his thoughts violently as he scampered back into his bedroom noiselessly, his father climbing the stairs seemingly two at a time behind him. Tommy gently eased his door shut, letting out a breath full of adrenaline spurred by his irregular heartbeats. Then there was a knock on the wood which caused Tommy to jump again. Distantly he felt like it wouldn't be many more jumps until he just broke down. He couldn't afford to 'break down'.


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Doppler echocardiogram. This technique is used to measure and assess the flow of blood through the heart's chambers and valves. The amount of blood pumped out with each beat is a sign of how well the heart is working. Also, Doppler can detect abnormal blood flow within the heart, which can mean there is a problem with one or more of the heart's valves or with the heart's walls.

3-D (three-dimensional) echocardiogram. 3-D echo technique captures 3-D views of the heart structures with greater depth than 2-D echo. The live or "real time" images allow for a more accurate assessment of heart function by using measurements taken while the heart is beating. 3-D echo shows enhanced views of the heart's anatomy and can be used to determine best treatment plan.

Red increases the pulse and heart rate, and raises your blood pressure. It increases the appetite by increasing your metabolism, which is why red is such a popular color in restaurants. It is active, aggressive and outspoken. One bank found that their lines moved faster when they increased the use of red in the bank lobby, and in a study of several hundred college students, a researcher found that they responded more quickly to cues under red light than under green light.

An arrhythmia is an abnormal heart rhythm. With an arrhythmia, the heartbeats may be irregular or too slow (bradycardia), to rapid (tachycardia), or too early. When a single heartbeat occurs earlier than normal, it is called a premature contraction.

Panic attacks are sudden feelings of terror that strike without warning. These episodes can occur at any time, even during sleep. A person experiencing a panic attack may believe that he or she is having a heart attack or that death is imminent. The fear and terror that a person experiences during a panic attack are not in proportion to the true situation and may be unrelated to what is happening around them. Most people with panic attacks experience several of the following symptoms: racing heartbeat, faintness, dizziness, numbness or tingling in the hands and fingers, chills, chest pains, difficulty breathing, and a feeling of loss or control. There are several treatments for panic attacks.

Side Effects - Tightening of the jaw muscles, teeth clenching and grinding, rapid heart rate, excessive pupil dilation, excessive sweating, tremor, elevated blood pressure, irregular heartbeat, muscle rigidity, shuffling gait, esophoria (tendency for eyes to turn inward), and difficulty urinating.

Side Effects - Bizarre thoughts and hallucinations, confusion, memory loss, delirium, rapid heartbeat, heart palpitations, elevated blood pressure, and slow or "stop and start" breathing. "Flashbacks" or visual disturbances can appear days or weeks after ingestion.

The symptoms of POTS vary from person to person. Because most of your blood stays in your lower body when you stand up, your heart beats faster trying to send blood to your brain. You might feel dizzy, nauseated, or too hot or cold. Some people with POTS are very tired and have cognitive problems, called "brain fog." Because the symptoms are so varied and overlap with a lot of other conditions, POTS can be hard to diagnose.

Yes. For the same reason dehydration can cause low blood pressure,it can also cause heart palpitations. Palpitations are the feeling of apounding, fast-beating or fluttering heart. When blood volume is decreased, theheart has to beat faster to try to continue to deliver oxygen to your organs.If you are experiencing heart palpitations you should stop what you are doing,rest in a cool location and drink water until your heart resumes a normalrhythm.

If your heart can't pump blood as well, it may beat faster to try to keep up. You may feel your heart racing or throbbing. A fast or uneven heartbeat can also be the sign of an arrhythmia. This is a problem with your heart rate or rhythm.

A normal heart rate for adults is typically 60 to 100 beats per minute. A heart rate that is slower than 60 beats per minute is considered bradycardia ("slow heart") and a rate that is faster than 100 beats per minutes is termed tachycardia ("fast heart"). There are some experts who believe that an ideal resting heart rate is closer to 50 to 70 beats per minute. Regardless of what is considered normal, it's important to recognize that a healthy heart rate will vary depending on the situation.

On the reverse side, a fast rate in healthy people can be because they are exercising, nervous or excited, using a stimulant or are pregnant. The health conditions that are associated with a fast heart rate include most infections or just about any cause of fever, heart problems, certain medications, low levels of potassium in the blood, an overactive thyroid gland or too much thyroid medication, anemia, or asthma or other breathing trouble.

Various smartphone apps to check your heart rate are also available. For most of these, you place your finger on the phone's camera lens, which then detects color changes in your finger each time your heart beats.

Treadmills, elliptical machines, and other exercise equipment found in fitness centers and some home exercise rooms often feature handgrip heart rate monitors. These rely on trace amounts of sweat from your palms and the metal on the grips to detect the electric signal of your heartbeat. But experts don't recommend these to check your heart rate, as they are notoriously inaccurate.

If you cough a lot, often feel weak, have lost your appetite, and need to urinate a lot at night, you might have symptoms of heart failure. Heart failure is a long-term condition that usually comes on slowly. However, it can develop suddenly, for instance, after a heart attack. You have heart failure when your heart does not pump blood out of your heart very well, or when your heart muscles are stiff and do not easily fill up with blood. When you have heart failure, your heart cannot pump enough oxygen-rich blood to the rest of your body, especially when you exercise or move around a lot. As the heart loses the ability to pump blood, blood backs up in other parts of your body, including your lungs, liver, gastrointestinal tract, and your arms and legs. The most common cause of heart failure is coronary artery disease, the narrowing of the blood vessels that supply blood and oxygen to your heart. So, how do you know if you have heart failure? Get to your doctor. You may have trouble breathing, an irregular heartbeat, swollen legs, neck veins that stick out, and sounds from fluid built up in your lungs. Your doctor will check for these and other signs of heart failure. A test called an echocardiogram is often the best test to diagnose your heart failure. Your doctor can also use this test to find out why you have heart failure, and then monitor your condition going forward every three to six months. Your doctor will talk to you about knowing your body and symptoms that mean your heart failure is getting worse. You will need to learn to watch for changes in your heart rate, pulse, blood pressure, and weight. You will also need to limit salt in your diet, stop drinking alcohol, quit smoking if you need to, exercise, lose weight if you need to, and get enough rest. Your doctor will probably ask you to take medicines to treat your heart failure. These medicines can treat your symptoms, prevent your heart failure from getting worse, and help you live longer. If you have heart failure, taking your medicines, changing your lifestyle, and treating the condition that caused heart failure can go a long way toward improving your health. But heart failure is a chronic, or long-term, illness, which means it may get worse over time. Make sure you call your doctor if you start coughing more, have sudden weight gain or swelling, or feel week. Have someone take you to the emergency room right away if you have trouble with fainting, a fast and irregular heartbeat, or feel severe crushing chest pain.

Dehydration occurs when you lose more fluid through sweating, illness, fever or urination than you consume in food and water. Dehydration can negatively affect your organs and bodily functions, including your heart and cardiovascular system. When you are dehydrated your blood volume, or the amount of blood circulating through your body, decreases. To compensate, your heart beats faster, increasing your heart rate and your blood pressure. Also, when you are dehydrated, your blood retains more sodium, thickening your blood and making it harder for your blood to circulate through your body. Keeping your body hydrated helps your heart pump blood more easily and allows oxygen to reach your muscles, which helps the muscles work efficiently.

Signs of severe dehydration are not urinating, or very dark yellow or amber-colored urine, dry, shriveled skin, sunken eyes, irritability or confusion, dizziness or lightheadedness, rapid heartbeat and breathing, listlessness or unconsciousness, or delirium. Should you or someone you know experience any of these symptoms, contact a health professional immediately. ff782bc1db

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