Category Cardiology
CCC Critical Care compendium 340

Afterload

Reviewed and revised 12/6/12 Afterload = left ventricular wall tension required to overcome resistance to ejection (impedance to ejection of blood from the heart into the arterial circulation). developed as ventricular muscle fibres shorten during isovolumetric contraction & ejection phases…

CCC Critical Care compendium 340

Acute Coronary Syndromes

Coronary artery disease accounts for > 30% of death in West and presents acutely as acute coronary syndromes. Acute coronary syndrome (ACS) is a catch all term that refers to ischemic symptoms resulting from acute coronary occlusion

CCC Critical Care compendium 340

AHA/ACC Guidelines (2007)

AHA/ACC Guidelines (2007) – Perioperative Cardiovascular Evaluation of the Patient undergoing Non-cardiac Surgery Take Home Message = if assessment and evaluation not indicated irrespective of perioperative context then just crack on (its all about symptoms). 3 factors involved in risk…

CCC Critical Care compendium 340

Emergent Valve Disorders

Emergent Valve Disorders: regurgitation most common; acute or acute on chronic valve dysfunction; acute on chronic often precipitated by increase in metabolic or haemodynamic requirements (sepsis, bleeding, pregnancy).

CCC Critical Care compendium 340

Contractility

Contractility = the change in force generated independent of preload. Inotropy and contractility are essential synonymous — inotropes are agents that increase contractility.