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Electrodes must adhere securely for accurate 24–48 hour monitoring. Skin should be cleaned with alcohol, dried, and shaved if hair prevents adhesion. Lotions or oils interfere with conductivity. Electrodes are placed on the chest in specific lead positions, not the arms.

Patients with syncope history should be placed in a supine or reclined position to reduce risk of injury from fainting. Monitoring for dizziness and keeping ammonia inhalants available may also be part of protocol. Safety and prevention outweigh speed.

The sinoatrial (SA) node in the right atrium generates electrical impulses initiating each heartbeat. The AV node delays conduction, the Bundle of His transmits impulses, and Purkinje fibers distribute them through ventricles.

Informed consent respects autonomy, allowing patients to make voluntary, informed decisions about care. Beneficence is acting for patient benefit, justice is fairness, and confidentiality protects PHI.

Patients must complete the full antibiotic course to eradicate infection and prevent resistance. Stopping early increases relapse and promotes resistant organisms. Education should include timing, food interactions, and adverse effects (e.g., GI upset, allergic reactions).