Haemorrhage Post Cardiac Surgery
Haemorrhage Post Cardiac Surgery; common; mild/moderate -> medically managed; severe -> re-exploration; complications: hypovolaemia, anaemia, pericardial tamponade
The LITFL Critical Care Compendium is a comprehensive collection of pages concisely covering the core topics and controversies of critical care.
Haemorrhage Post Cardiac Surgery; common; mild/moderate -> medically managed; severe -> re-exploration; complications: hypovolaemia, anaemia, pericardial tamponade
Off pump CABG versus On pump CABG; definitions and advantages and disadvantages
Multiple factors affecting Left internal mammary artery (LIMA) flow: — anatomy — demand — physiology — drugs
Coronary Artery Bypass Graft (CABG) Surgery; most common cardiothoracic surgical case seen in ICU
Cardiothoracic Surgery Literature Summaries
Cardiopulmonary bypass (CPB) replaces the function of the heart and lungs while the heart is arrested to provide a bloodless, stable surgical field
Cardiac arrest occurs after 0.7 - 2.9% of cardiac surgery cases. Usually preceded by physiological deterioration but can occur in previously stable patients
Pulsus paradoxus is defined as an inspiratory drop in blood pressure of 10mmHg or more during normal breathing.
Heart murmurs are abnormal heart sounds believed to be caused by turbulent flow across heart valves or vascular abnormalities.
When assessing a murmur, determine 6 characteristics: position at which it is loudest, grade, timing, duration, presence of a thrill, radiation and changes during respiration or with dynamic manoeuvers
Co-oximeter: a device that uses spectrophotometry to measure relative blood concentrations of oxyhemoglobin, carboxyhemoglobin, methemoglobin, and reduced haemoglobin
High-flow nasal cannula aka heated humidified HFNC or high floe nasal prongs used in cases of hypoxic respiratory failure
Gastric residual volume is the amount aspirated from the stomach following administration of enteral feed. An aspirated amount of ≤ 500ml 6 hourly is safe and indicates that the GIT is functioning