4 Cardiac Complications of Dysrhythmias Free Online FlashCards

What do falling blood pressure, weak pulses, and new confusion suggest during a dysrhythmia?

Falling blood pressure, weak pulses, and new confusion suggest inadequate tissue perfusion and reduced cardiac output.

What determines whether a dysrhythmia is especially concerning?

A rhythm change is most concerning when it interferes with perfusion; assess the patient, not just the monitor.

Why can atrial fibrillation increase stroke risk?

Atrial fibrillation can allow blood to pool in the atria, increasing the chance of clot formation and embolic stroke.

What can dizziness and near-fainting indicate with a slow heart rate?

A symptomatic slow rhythm may reduce blood flow to the brain, causing dizziness or near-fainting; promptly assess perfusion and escalate care under local protocol.

What should new chest pressure, shortness of breath, and sweating prompt?

New chest pressure with shortness of breath and sweating warrants urgent evaluation; do not assume it is caused only by the dysrhythmia.

What should you do first when a rapid-rhythm alarm sounds?

Assess responsiveness, symptoms, pulse, and vital signs, and verify whether the tracing reflects the patient's rhythm or artifact.

Why is an ECG change alone insufficient to judge rhythm tolerance?

An ECG change alone does not establish how well a patient is tolerating a rhythm; correlate it with symptoms and assessment findings.

What should you do if a patient with a rhythm change is unstable or deteriorating?

If the patient is unstable, pulseless, or deteriorating, call for emergency help and follow the applicable resuscitation protocol.

Why is ventricular fibrillation immediately dangerous?

Ventricular fibrillation prevents effective pumping and can cause cardiac arrest.

What can worsening dyspnea, crackles, and leg swelling suggest during a persistent fast rhythm?

A sustained or poorly tolerated fast rhythm can impair pumping and contribute to heart-failure congestion, including dyspnea, crackles, and leg swelling.

What can new confusion or reduced consciousness indicate during a dysrhythmia?

New confusion or reduced consciousness can reflect inadequate blood flow to the brain, particularly alongside hypotension or a weak pulse.

Which symptoms can signal that a dysrhythmia is impairing perfusion?

Dizziness, fainting, chest discomfort, and shortness of breath can signal that a dysrhythmia is interfering with perfusion.