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Items: 16

1.

Sudden cardiac death

The heart suddenly and unexpectedly stops beating resulting in death within a short time period (generally within 1 h of symptom onset). [from HPO]

MedGen UID:
38841
Concept ID:
C0085298
Pathologic Function
2.

Arrhythmia

An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat. Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias. . Symptoms of arrhythmias include. -Fast or slow heart beat. -Skipping beats. -Lightheadedness or dizziness. -Chest pain. -Shortness of breath . -Sweating . Your doctor can run tests to find out if you have an arrhythmia. Treatment to restore a normal heart rhythm may include medicines, an implantable cardioverter-defibrillator (ICD) or pacemaker, or sometimes surgery. . NIH: National Heart, Lung, and Blood Institute.  [from MedlinePlus]

MedGen UID:
2039
Concept ID:
C0003811
Finding; Finding
3.

Cardiac arrhythmia

MedGen UID:
447470
Concept ID:
CN029864
Disease or Syndrome
4.

Sudden death

Rapid and unexpected death. [from HPO]

MedGen UID:
8257
Concept ID:
C0011071
Pathologic Function
5.

Tachycardia

Tachyarrhythmia is any disturbance of the heart rhythm in which the heart rate is abnormally increased. [from NCI]

MedGen UID:
21453
Concept ID:
C0039231
Finding; Finding; Pathologic Function
6.

Ventricular tachycardia

An abnormally rapid ventricular rhythm usually in excess of 150 beats per minute. It is generated within the ventricle below the BUNDLE OF HIS, either as autonomic impulse formation or reentrant impulse conduction. Depending on the etiology, onset of ventricular tachycardia can be paroxysmal (sudden) or nonparoxysmal, its wide QRS complexes can be uniform or polymorphic, and the ventricular beating may be independent of the atrial beating (AV dissociation). [from MeSH]

MedGen UID:
12068
Concept ID:
C0042514
Disease or Syndrome; Finding
7.

Ventricular tachycardia

MedGen UID:
776567
Concept ID:
C2108113
Finding; Laboratory or Test Result
8.

Ventricular tachycardia, catecholaminergic polymorphic, 2

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by episodic syncope occurring during exercise or acute emotion in individuals without structural cardiac abnormalities. Arrhythmias may be well tolerated, with only mild symptoms such as dizziness or lypothymia. The underlying cause of these episodes is the onset of fast ventricular tachycardia (bidirectional or polymorphic). Spontaneous recovery occurs when these arrhythmias self-terminate. In other instances, ventricular tachycardia may degenerate into ventricular fibrillation and cause sudden death if cardiopulmonary resuscitation is not readily available. The mean age of onset of symptoms (usually a syncopal episode) of CPVT is between age seven and twelve years; onset as late as the fourth decade of life has been reported. If untreated, CPVT is highly lethal, as approximately 30% of affected individuals experience at least one cardiac arrest and up to 80% one or more syncopal spells. Sudden death may be the first manifestation of the disease. [from GeneReviews]

MedGen UID:
393837
Concept ID:
C2677794
Disease or Syndrome
9.

Catecholaminergic polymorphic ventricular tachycardia

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by episodic syncope occurring during exercise or acute emotion in individuals without structural cardiac abnormalities. Arrhythmias may be well tolerated, with only mild symptoms such as dizziness or lypothymia. The underlying cause of these episodes is the onset of fast ventricular tachycardia (bidirectional or polymorphic). Spontaneous recovery occurs when these arrhythmias self-terminate. In other instances, ventricular tachycardia may degenerate into ventricular fibrillation and cause sudden death if cardiopulmonary resuscitation is not readily available. The mean age of onset of symptoms (usually a syncopal episode) of CPVT is between age seven and twelve years; onset as late as the fourth decade of life has been reported. If untreated, CPVT is highly lethal, as approximately 30% of affected individuals experience at least one cardiac arrest and up to 80% one or more syncopal spells. Sudden death may be the first manifestation of the disease. [from GeneReviews]

MedGen UID:
351513
Concept ID:
C1631597
Disease or Syndrome
10.

Ventricular tachycardia, polymorphic

An electrocardiographic finding of a ventricular tachycardia in which the QRS complexes have a variable morphology and often rate. [from NCI_CDISC]

MedGen UID:
138002
Concept ID:
C0344432
Disease or Syndrome
11.

Genetic predisposition

A latent susceptibility to disease at the genetic level, which may be activated under certain conditions. [from MeSH]

MedGen UID:
137259
Concept ID:
C0314657
Organism Attribute
12.

Heart disease

If you're like most people, you think that heart disease is a problem for others. But heart disease is the number one killer in the U.S. It is also a major cause of disability. There are many different forms of heart disease. The most common cause of heart disease is narrowing or blockage of the coronary arteries, the blood vessels that supply blood to the heart itself. This is called coronary artery disease and happens slowly over time. It's the major reason people have heart attacks. Other kinds of heart problems may happen to the valves in the heart, or the heart may not pump well and cause heart failure. Some people are born with heart disease. You can help reduce your risk of heart disease by taking steps to control factors that put you at greater risk:. - Control your blood pressure. - Lower your cholesterol. - Don't smoke. - Get enough exercise. NIH: National Heart, Lung, and Blood Institute.  [from MedlinePlus]

MedGen UID:
5458
Concept ID:
C0018799
Disease or Syndrome
13.

Cardiac arrest

The heart has an internal electrical system that controls the rhythm of the heartbeat. Problems can cause abnormal heart rhythms, called arrhythmias. There are many types of arrhythmia. During an arrhythmia, the heart can beat too fast, too slow, or it can stop beating. Sudden cardiac arrest (SCA) occurs when the heart develops an arrhythmia that causes it to stop beating. This is different than a heart attack, where the heart usually continues to beat but blood flow to the heart is blocked. . There are many possible causes of SCA. They include coronary heart disease, physical stress, and some inherited disorders. Sometimes there is no known cause for the SCA. Without medical attention, the person will die within a few minutes. People are less likely to die if they have early defibrillation. Defibrillation sends an electric shock to restore the heart rhythm to normal. You should give cardiopulmonary resuscitation (CPR) to a person having SCA until defibrillation can be done. If you have had an SCA, an implantable cardiac defibrillator (ICD) reduces the chance of dying from a second SCA. NIH: National Heart, Lung, and Blood Institute.  [from MedlinePlus]

MedGen UID:
5456
Concept ID:
C0018790
Disease or Syndrome; Finding
14.

Disorder of cardiovascular system

Any abnormality of the cardiovascular system. [from HPO]

MedGen UID:
2848
Concept ID:
C0007222
Disease or Syndrome
15.

Ventricular tachycardia, catecholaminergic polymorphic, 4

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by episodic syncope occurring during exercise or acute emotion in individuals without structural cardiac abnormalities. Arrhythmias may be well tolerated, with only mild symptoms such as dizziness or lypothymia. The underlying cause of these episodes is the onset of fast ventricular tachycardia (bidirectional or polymorphic). Spontaneous recovery occurs when these arrhythmias self-terminate. In other instances, ventricular tachycardia may degenerate into ventricular fibrillation and cause sudden death if cardiopulmonary resuscitation is not readily available. The mean age of onset of symptoms (usually a syncopal episode) of CPVT is between age seven and twelve years; onset as late as the fourth decade of life has been reported. If untreated, CPVT is highly lethal, as approximately 30% of affected individuals experience at least one cardiac arrest and up to 80% one or more syncopal spells. Sudden death may be the first manifestation of the disease. [from GeneReviews]

MedGen UID:
766961
Concept ID:
C3554047
Disease or Syndrome
16.

Familial ventricular tachycardia

MedGen UID:
83309
Concept ID:
C0340485
Disease or Syndrome
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