Definition, Betydelse & Synonymer | Engelska ordet HEARTBEAT

Definition av HEARTBEAT

1. hjärtslag

Exempel på hur man kan använda HEARTBEAT i en mening

• Signs and symptoms vary between people and may include irritability, muscle weakness, sleeping problems, a fast heartbeat, heat intolerance, diarrhea, enlargement of the thyroid, hand tremor, and weight loss.
• Sinoatrial node and atrioventricular node, specialized tissues in the heart responsible for initiating and coordinating the heartbeat.
• Stendhal syndrome, Stendhal's syndrome or Florence syndrome is a psychosomatic condition involving rapid heartbeat, fainting, confusion and hallucinations, allegedly occurring when individuals are exposed to objects, artworks or phenomena of great beauty.
• Afterload, the maximum effect of a heartbeat driving blood mass out of the heart into the aorta and pulmonary arteries.
• In medicine, a pulse represents the tactile arterial palpation of the cardiac cycle (heartbeat) by fingertips.
• Blood pressure is usually expressed in terms of the systolic pressure (maximum pressure during one heartbeat) over diastolic pressure (minimum pressure between two heartbeats) in the cardiac cycle.
• Panic attacks are sudden periods of intense fear and discomfort that may include palpitations, otherwise defined as a fluttering, rapid, irregular heartbeat, sweating, chest pain or chest discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a sense of impending doom or loss of control.
• These electrodes detect the small electrical changes that are a consequence of cardiac muscle depolarization followed by repolarization during each cardiac cycle (heartbeat).
• The primary purpose of a pacemaker is to maintain an even heart rate, either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a block in the heart's electrical conduction system.
• When witnessing fire or smoke (even if the fire poses no threat, such as a candle), suspecting a fire is nearby, or (in some cases) visualizing fires, pyrophobes exhibit typical psychological and physiological symptoms of fear and panic: acute stress, fast heartbeat, shortness of breath, tightness in chest, sweating, nausea, shaking or trembling, dry mouth, needing to go to the bathroom, dizziness and/or fainting.
• In human reproduction, a live birth occurs when a fetus exits the mother showing any definite sign of life such as voluntary movement, heartbeat, or pulsation of the umbilical cord, for however brief a time and regardless of whether the umbilical cord or placenta are intact.
• The work opens with a hesitant, syncopated rhythmic motif (which Leonard Bernstein suggested is a depiction of Mahler's irregular heartbeat), which is heard throughout the movement.
• A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node.
• Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm).
• Long QT syndrome (LQTS) is a condition affecting repolarization (relaxing) of the heart after a heartbeat, giving rise to an abnormally lengthy QT interval.
• The most common type of irregular heartbeat that occurs is known as paroxysmal supraventricular tachycardia.
• In this condition the normal electrical pulses coming from the sinoatrial node are overwhelmed by disorganized electrical impulses usually originating in the roots of the pulmonary veins, leading to irregular conduction of impulses to the ventricles which generate the heartbeat.
• Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart.
• Symptoms may include dizziness, lightheadedness, confusion, feeling tired, weakness, headache, blurred vision, nausea, neck or back pain, an irregular heartbeat or feeling that the heart is skipping beats or fluttering, and fainting.

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