Care with:
- Unstable angina pectoris
- unresponsive to medical treatment
- symptoms / signs heart failure – episodes of pulmonary oedema
- cardiomegaly
- abnormal resting or exercise ECG – especially the number of leads involved, poor R wave progression
- strongly positive exercise ECG
- reduced BP
- low workload
- depressed ST segments
- > 5 minutes to recover
- large or multiple perfusion defects (nuclear med scan)
- increased LVEDP and LVEDV, reduced LVEF
- location, severity CAD
- ≥ 70% stenosis
- 1, 2, or 3, epicardial arteries: 2, 8, and 11%, 5-year mortalities
- LCA: 15% mortality per year
Barefoot JC, Brummett BH, Williams RB, Siegler IC, Helms MJ, Boyle SH, Clapp-Channing NE, Mark DB. Recovery expectations and long-term prognosis of patients with coronary heart disease. Arch Intern Med. 2011 May 23;171(10):929-35. doi: 10.1001/archinternmed.2011.41. Epub 2011 Feb 28. PMID: 21357800; PMCID: PMC3634672.
Bhandari B, Quintanilla Rodriguez BS, Masood W. Ischemic Cardiomyopathy. [Updated 2020 Sep 17]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2020 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK537301/
Hajar R. Risk Factors for Coronary Artery Disease: Historical Perspectives. Heart Views. 2017 Jul-Sep;18(3):109-114. doi: 10.4103/HEARTVIEWS.HEARTVIEWS_106_17. PMID: 29184622; PMCID: PMC5686931.