Administer sublingual nitroglycerin as prescribed to relieve acute chest pain

Prepare to administer intravenous nitroglycerin immediately in all angina cases

Monitor for pain relief within 5 to 10 minutes after nitroglycerin administration to evaluate treatment effectiveness

Encourage the patient to rest and avoid exertion until symptoms resolve

Assess for associated symptoms such as diaphoresis, nausea, and shortness of breath

Instruct the patient to take aspirin only if chest pain is severe and lasts over 15 minutes