Arrhythmias
Acute coronary syndromes
Aortic dissectionAortic valve diseaseArterial thrombosis
Cardiac arrestCardiac failureEssential or secondary hypertensionInfective endocarditisIschaemic heart diseaseMitral valve diseaseMyocardial infarctionMyocarditisPatient on anti-coagulant therapyPatient on anti-platelet therapyPericardial diseaseRight heart valve diseaseUnstable anginaVasovagal syncope