what are the signs and symptoms of decreased cardiac output?
['Fatigue, confusion, agitation and/or decreased level of consciousness.', 'Cool peripheries, mottled peripheries and delayed capillary refill time.', 'Hypotension.', 'Tachycardia or bradycardia.', 'Thready pulse.', 'Raised jugular venous pressure.', 'Breathlessness and hypoxaemia.']