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Bookmark or Share- Arrhythmias - Conduction Disorders - NHLBI, NIHA conduction disorder, also known as heart block, is a problem with the electrical system that controls your heart’s rate and rhythm. This system is called the cardiac conduction system. Normally, the electrical signal that makes your heart beat travels from the top of your heart to the bottom.
- Coronary Heart Disease - Symptoms - NHLBI, NIHSometimes coronary heart disease is "silent," meaning you may not have any symptoms until you have a heart attack or other complication. This can make coronary heart disease hard to diagnose. It is also why preventing heart disease is so important. Coronary heart disease often develops over many years.
- Arrhythmias - Causes and Triggers | NHLBI, NIHYour heart’s electrical signals control how fast your heart beats. A problem with these electrical signals can cause an irregular rhythm. This can happen when the nerve cells that produce electrical signals do not work properly or when the electrical signals do not travel normally through your heart.
- Coronary Heart Disease - Risk Factors | NHLBI, NIHHeart disease can happen at any age, but the risk increases as you age. Genetic and lifestyle factors can cause plaque to build up in your arteries over time. Coronary heart disease is the leading cause of death for both men and women in the United States. Men’s risk for coronary heart disease starts to increase significantly around age 45.
- Heart Health and Pregnancy - NHLBI, NIHWatch for warning signs of a problem during and after pregnancy. Some warning signs of a heart problem during or after pregnancy are a worsening headache, overwhelming tiredness, dizziness, trouble breathing, chest or belly pain, swelling, or nausea. If you feel like something is wrong, call your doctor or seek medical care right away.
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