The nurse finds PR interval >0.12 seconds.
What is premature atrial complexes (Pacs).?
Premature atrial contractions (PACs) are additional heartbeats that begin in your heart's upper chambers. There might not be much blood in the heart when the premature or early signal causes the heart to contract. That indicates that there isn't much blood to pump.
PACs can occur in healthy people who have no known cardiac problems and usually do not harm the heart. Patients with PACs frequently have no symptoms and are discovered by chance. People who do experience symptoms frequently lament an extra or skipped heartbeat, also known as palpitations.
What is the most common cause of PACs ?
The majority of people will at some point in their life suffer PACs, which are frequently brought on by stress, caffeine, or alcohol. They frequently stand out more when at rest. Heart disease can occasionally be the cause of premature atrial contractions, but they typically occur spontaneously and for no apparent reason.
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