Editing Trauma - circulation (section)

==== Elderly ====

** Reduced response to catecholamines, more sensitive to small reductions in CO, potential for long-term hypovolaemia
*** = poor tolerance to haemorrhage
** Reduced cardiac compliance, and can't increase heart rate or contractility when stressed
** Atherosclerotic vascular occlusive disease makes organs sensitive to slight reductions in blood flow, especially kidneys
** Medications
** Reduced pulmonary compliance and weakness of respiratory muscles