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Name that EKG rhythm

What is it?

On medications to control

https://www.aafp.org/afp/2015/1101/p793.html
An arrhythmia is an abnormality in the timing or pattern of the heartbeat. Arrhythmias may cause the heart to beat too rapidly, too slowly, or irregularly. They are common and may cause a wide variety of symptoms, such as a racing, skipping or fluttering sensation (called palpitations) in your chest.

Cardiac arrhythmias also may cause light-headedness, fainting, chest pain, shortness of breath, fatigue or no symptoms at all. Many types of arrhythmia are merely nuisances, other types may be serious problems because they cause the patient to develop heart failure, pass out or even die suddenly when the heart beats too slowly or too rapidly to pump blood to the body.

Supraventricular tachycardia is a series of rapid heartbeats that begin in or involve the upper chambers (atria) of the heart. SVT can cause the heart to beat very rapidly or erratically. As a result, the heart may beat inefficiently, and the body may receive an inadequate blood supply. There are three major types of SVT including:

Supraventricular tachycardia (SVT) is a condition where your heart suddenly beats much faster than normal. It's not usually serious, but some people may need treatment.

What is SVT?
SVT happens when the electrical system that controls your heart rhythm isn't working properly.

This causes your heart to suddenly beat much faster. It can then slow down abruptly.

A normal resting heart rate is 60 to 100 beats per minute (bpm). But with SVT your heart rate suddenly goes above 100bpm. This can happen when you're resting or doing exercise.

Symptoms of SVT
Having SVT means your heart suddenly beats faster. This:

usually lasts for a few minutes, but can sometimes last for several hours
can happen several times a day or once a year – it varies
can be triggered by tiredness, caffeine, alcohol or drugs – but often there's no obvious trigger
can happen at any age, but often starts for the first time in children and young adults – many people have their first symptoms between 25 and 40
You may get no other symptoms, but sometimes people also:

have chest pain
feel weak, breathless or lightheaded
feel tired
feel sick or are sick
See a GP if you keep getting a fast heartbeat
It's important to get it checked out – you might need a test, such as an electrocardiogram (ECG), to find out what's going on.

Call 999 or go to A&E if:
you have been diagnosed with SVT and your episode has lasted longer than 30 minutes
you have sudden shortness of breath with chest pain
You need to go to hospital for treatment immediately.

Things you can do to help
If your episodes of SVT only last a few minutes and don't bother you, you won't need treatment.

But if your episodes last longer or make you feel unwell, there are things you can do to help.

How to stop an episode
These techniques aim to help stop your SVT episode when it comes on:

the valsalva manoeuvre – take a deep breath, shut your mouth tight, hold your nose tightly and blow out as hard as you can
the cold water technique – fill a bowl with cold water and put some ice in it, hold your breath and put your face in the water for a few seconds
Lifestyle changes
You can also make changes to your lifestyle to reduce your chances of having further episodes, such as:

cutting down on the amount of caffeine or alcohol you drink
stopping or cutting back on smoking
making sure you get enough rest
Treating SVT in hospital
SVT is rarely life threatening. But you may need treatment in hospital if you keep having long episodes.

This may include:

medicines to control the episodes of SVT – given as tablets or through a vein
cardioversion – a small electric shock to the heart to help it get back to a normal rhythm
catheter ablation – a treatment where thin tubes are placed through a vein or artery into your heart to correct the problem with the electrical system; this permanently cures the problem in most patients

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3 апреля 2019 г. 9:35:38
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Яндекс.Метрика