# Top Risk Factor | Causes & Symptoms of Heart Blockage

Heart Blockage


The problem of heart blockage is a disease associated with the heartbeat. In heart blockage, the heart stops functioning smoothly and thus the beats paused and stopped. In some people, the problem of heart blockage starts with birth, whereas when some people grow up, this problem develops. The problem of heart blockage can be since childhood to old age at any age. However, symptoms of heart blockage are more common in mid-term means after completing 30 years of age.

What Is Heart Blockage


What Is Heart Blockage?

Table of Contents

The heartbeats are formed by the electrical signals, which start in your heart’s right atrium (upper right side chamber). These electrical signals move down through your heart to your Atrioventricular (AV) node, is another gathering of some specialized cells, which is located in between the atria & ventricles i.e. the center of your heart.

Commencing the AV (Atrioventricular) node, the electrical signal travels to your ventricles along with special fibers surrounded in your heart walls. As soon as the signal arrives in your ventricles, they bond and pump blood out to your whole body.

In individuals with symptoms of heart blockage {also called Atrioventricular (AV) block}, those electrical signals that control your heartbeat is completely or partially blocked from reaching to your ventricles.

If we say this in simple language, heart blockage is an irregular heartbeat where your heart beats very slowly. In such a situation, the electrical signal that states your heart to contract is totally or partially blocked between your ventricles (lower chambers) and atria (upper chambers).

Types Of Heart Blockage


Types Of Heart Blockage:

There are 3 different kinds of heart blockage. These 3 types are as follow:

  1. First degree heart blockage
  2. Second degree heart blockage
  3. Third degree / complete heart blockage

First Degree Heart Blockage:

The first degree heart blockage involves slight heartbeat interruptions, for instance, skipped heartbeats. It’s the minimum serious kind of heart blockage, and it doesn’t generally necessitate any treatment/cure.

Second Degree Heart Blockage

The second degree heart blockage occurs as soon as some electrical signals fail to reach your heart, causing skipped or dropped heartbeats. For this reason, the ventricle (lower chamber) may fail to contract, as the atrial (upper chamber) impulse didn’t reach your ventricles (lower chambers). As a result, the patient of second degree heart blockage might feel dizzy or light-headed, and thus he or she may need a pacemaker.

Third Degree / Complete Heart Blockage

The third degree i.e. the complete heart blockage occurs when the electrical signals don’t travel between the ventricle and atrial of your heart. It’s although a more common symptom in patients with any type of heart syndrome. Without a pacemaker in the third degree heart blockage, there’s a severe risk of a heart attack.

Cause of Heart Blockage


Cause of Heart Blockage

A mixture of blocks, cholesterol, fat, fiber tissue and white blood cells, which gradually sticks to the walls of the nerves, it starts to form a heart block. The setting of the block is different according to its thickness and its tendency to break (Nature). There are two types of heart blockage such as stabilized blocks and unstable blocks. Let’s know in details about the two types.

Stable Plaque

This type of block gradually increases in such a way, that the bloodstream gets the chance to find a way to new arteries, which is called the Collateral Vessel. This vessel bypasses the blocked artery and transmits essential blood and oxygen to the heart muscles. Stable block does not make any difference to the extent of obstruction, nor does it have a serious heart problem.

Unstable Plaque

In the temporary block, on the break of the block, becomes a dangerous clot and the collateral does not get full time to develop. The muscles of the person are severely damaged. Many times the patient has a sudden heart attack or the patient becomes a victim of Sudden Cardiac Death.


If this is thick and hardening then such a block is called stabilized and if it is soft then it is considered suitable to be broken and it is called an unstable block. This disease is caused by phlegm stem cells.

Symptoms of Heart Blockage


Symptoms of Heart Blockage:

The symptoms of heart blockage are different at different stages. There are no special signs in the first degree heart block or early stage. In the second degree of the heart block, the heartbeat decreases slightly from normal and the heart starts pulsating at the third stage.

There may be a heart attack on the second or third stage; hence there is a need for immediate treatment. Meaning is that the symptoms of heart blockage vary on each stage. Other symptoms of heart blockage are:

  • Dizziness
  • Headache
  • Chest pain
  • Small breath
  • Breathlessness
  • Tired of working
  • To Faint
  • Over-fatigue
  • Pain in the neck, jaw, upper stomach, back or throat
  • Numbness or pain in your hands or feet
  • Feeling chill or weakness often


These symptoms of heart blockage should not be ignored because later it can also become symptoms of a heart attack.

Risk Factors Of Heart Blockage


Risk Factors Of Heart Blockage:

The most widely recognized reason for heart blockage is damaging your heart tissue as individuals get older with time. A few people born with heart blockage; however, older persons with a smoking habit or a past record of heart disease are most at risk of heart blockage. The subsequent disorders intensify the risk of heart blockage:

  • Coronary thrombosis
  • Cardiomyopathy
  • Endocarditis i.e. inflammation of your heart valves
  • Myocarditis i.e. inflammation of your heart muscle
  • Scar tissues in your heart, after a heart attack or a surgery
  • Heart blockage can also arise because of the hurdle of Lyme disease


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