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16 relations: Acetylcholine receptor, Atrium (heart), First-degree atrioventricular block, Heart, Heart block, Infarction, Muscarinic acetylcholine receptor, PR interval, Right bundle branch block, Second-degree atrioventricular block, Sinoatrial node, Sinus rhythm, Sinus tachycardia, Third-degree atrioventricular block, Vagus nerve, Ventricle (heart).
Acetylcholine receptor
An acetylcholine receptor (abbreviated AChR) is an integral membrane protein that responds to the binding of acetylcholine, a neurotransmitter.
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Atrium (heart)
The atrium is the upper chamber in which blood enters the heart.
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First-degree atrioventricular block
First-degree atrioventricular block (AV block), or PR prolongation, is a disease of the electrical conduction system of the heart in which the PR interval is lengthened beyond 0.20 seconds.
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Heart
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
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Heart block
Heart block is a disease or inherited condition that causes a fault within the heart's natural pacemaker due to some kind of obstruction (or "block") in the electrical conduction system of the heart.
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Infarction
Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area.
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Muscarinic acetylcholine receptor
Muscarinic acetylcholine receptors, or mAChRs, are acetylcholine receptors that form G protein-coupled receptor complexes in the cell membranes of certain neurons and other cells.
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PR interval
In electrocardiography, the PR interval is the period, measured in milliseconds, that extends from the beginning of the P wave (the onset of atrial depolarization) until the beginning of the QRS complex (the onset of ventricular depolarization); it is normally between 120 and 200ms in duration.
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Right bundle branch block
A right bundle branch block (RBBB) is a heart block in the electrical conduction system.
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Second-degree atrioventricular block
Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart.
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Sinoatrial node
The sinoatrial node (SA node), also known as sinus node, is a group of cells located in the wall of the right atrium of the heart.
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Sinus rhythm
A sinus rhythm is any cardiac rhythm where depolarization of the cardiac muscle begins at the sinus node.
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Sinus tachycardia
Sinus tachycardia (also colloquially known as sinus tach or sinus tachy) is a sinus rhythm with an elevated rate of impulses, defined as a rate greater than 100 beats/min (bpm) in an average adult.
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Third-degree atrioventricular block
Third-degree atrioventricular block (AV block), also known as complete heart block, is a medical condition in which the nerve impulse generated in the sinoatrial node (SA node) in the atrium of the heart does not propagate to the ventricles.
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Vagus nerve
The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with parasympathetic control of the heart, lungs, and digestive tract.
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Ventricle (heart)
A ventricle is one of two large chambers in the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
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AV block, AV nodal block, Av block, Mobitz 1.
