What is Sick Sinus Syndrome?

Most of the people who have just heard a bit from somewhere and want to know what is sick sinus syndrome do not have a clue that it has something to do with heart and its functioning. It is also known as Sinus node dysfunction and is caused by a malfunctioning of the heart's pacemaker. It is so rare that when a person comes to the doctor with the symptoms, he or she is diagnosed with this syndrome in mind.

To know what is sick sinus syndrome, one needs to know what is sinusitis node. Sinusitis node is the natural pacemaker of the heart and sick sinus syndrome is associated with problems originating from this very pacemaker. It leads to abnormal heart rhythms known as arrhythmias.

If someone fears whether he or she has got sick sinus syndrome, then to be sure, one needs to know what is sick sinus syndrome all about and what are its symptoms. It makes the heart to beat at a slower or faster rate than normal and sometimes it can also be that there is an abnormally long pause between the two beats.

We know well what is sick sinus syndrome but we are still not very sure what causes it. It is believed that some medicines may accentuate it. The degeneration of the body is an apparent reason for the syndrome but what causes the certain kind of degeneration in some elderly people besides the well-known life-style induced problems is not very obvious.

What is sick sinus syndrome and how deadly it can be can be best understood if we know its consequences. It can lead to Stokes popularly known as Adams attacks. This makes a person to faint. Patients of the syndrome also report palpitations and dizziness. There can be frequent or sudden pain in the chest, as the heart will not be getting enough blood for itself. There will be shortness of breath and so the person will be low on energy and will get tired soon. There can also be headache if the blood supply to the head is less than adequate.

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What is Normal Sinus Rhythm? - Normal Sinus Rhythm in a Nutshell

Meaning of what is normal sinus rhythm

An electrical impulse is generated by the sinus node, it moves through the right and left atrial muscles fabricating an electrical charge which could be seen in an electrocardiogram (ECG) by the p-wave. They continue their movement through specialized tissues known as atrioventricular node which carries electricity at a slower pace. There is a small pause (PR interval) which helps in the blood to be emptied into the ventricles from the atria, before the ventricle contracts to push the blood out into the body. This could be seen in the ECG as QRS complex of waves. The T-waves denotes the electrical changes in the ventricles while they are relaxing or resetting of the heart for the subsequent beat. This cycle repeats once again after a short gap.

In simple terms what is normal sinus rhythm. "It is an electrical pattern of the heart beat".

Normal sinus rhythms are found mostly in healthy heart. Heart runs on electrical impulses that stimulates it chambers (atria and ventricles) to contract and expand. With each heart beat the blood is pumped through out the body. Normal heart beat is between 60 and 100 beats per minute. There is no fixed heart rate; it may vary from a child to adult. A new born child's heart rate is 150 beats per minute, whereas a five year old has 100 beats per minute. In an adult it is 80 beats per minute. The S-A node or sinoatrial node is where the electrical impulse begins. This is otherwise known as the natural pacemaker of the heart. What is normal sinus rhythm detection methodology? This can be detected through ECG (Electrocardiogram). In a normal sinus rhythm the peaks are evenly placed.

What is normal sinus rhythm classification?

A normal heart rhythm with a fast heart rate is called sinus tachycardia. The impulses are normal bit the pace is faster. This is the case when you exercise or when you are excited.

A normal hearth rhythm with a slow heart rate is called sinus bradycardia. It is seen during medications such as beta blockers.

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