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Diagnosis and Treatment of New-Onset Perioperative Atrial Fibrillation

Robert J McCusker1, Jonathan Wheelwright1, Travis J Smith1

  • 1Anesthesiology, Penn State Health, Hershey, PA, USA.

Advances in Anesthesia
|January 22, 2024
PubMed

Keywords:
AntiarrhythmicCardioversionCase cancellationDefibrillationDysrhythmiaParoxysmal atrial fibrillationPostoperative atrial fibrillationSilent atrial fibrillation

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
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