The three principal presentations of unstable angina Rest Angina: Angina occurring at rest and usually for more than 20 minutes, and occurring within 1 week of presentation
New-onset angina: angina of at least Class III severity with onset within 2 months of initial presentation
Increasing angina: 1 or none of the above characteristics; previously diagnosed angina that is distinctly more frequent, longer in duration, or lower in threshold (i.e., increased by at least 1 CCS class within 2 months of initial presentation to at least CCS Class III severity).
Symptoms: -Chest discomfort -Emotional stress -Pain in the epigastrium, jaw, neck, or arms -Dyspnea, -Nausea, -Vomiting -Perspiration -Lightheadedness -Fatigue
Diagnosis: -Clinical history