Same-Day Discharge After Coronary Percutaneous Transluminal Coronary Angioplasty (PTCA)

Inclusion Criteria: 1. Scheduled for catheterization/coronary angiography 2. Undergoing diagnostic coronary angiography to define the coronary anatomy with the intent for revascularization (ad-hoc PCI) or planned PCI to define the coronary anatomy with the intent for revascularization due to one of the following: 1. exertional or rest chest pain (or angina equivalent) 2. abnormal Exercise Stress Test 3. abnormal nuclear tests 4. abnormal pharmacologic or stress echocardiogram, or pharmacologic MRI 5. abnormal EKGs 6. abnormal Calcium scores 7. abnormal coronary CT angiogram 3. Ability and willingness to consent and Authorization for use of PHI Exclusion Criteria: 1. ACS (STEMI, UA/NSTEMI) 2. Positive Troponin I per local laboratory standards 3. Known EF\<30% 4. GFR\<50% (calculation using the IDMS-Traceable MDRD study equation 5. Dye Allergy that unable to be safely premedicated 6. Known current or history of bleeding diathesis 7. Current or anticipated treatment with warfarin, oral factor Xa inhibitor, oral direct thrombin inhibitor, LMWH, or TNK 8. Known platelet count \<100,000/mm³ or known INR \>1.5 at time of enrollment 9. Hgb \<10 g/dL and/or Hct \< 30% 10. Residence \>60 minutes from the hospital 11. Reliable caregiver not available for home post PCI recovery 12. Participation in another study that would require hospital procedures or test post PCI prior to discharge 13. Inability or unwillingness to consent for study, follow up procedures and Authorization for use of PHI 14. Physician clinical determination participant is not suitable for study participation