When is surgery right for the elderly?

Press Release

[[{"fid":"1792","view_mode":"default","fields":{"format":"default","alignment":"","field_file_image_alt_text[und][0][value]":false,"field_file_image_title_text[und][0][value]":false},"link_text":null,"type":"media","field_deltas":{"1":{"format":"default","alignment":"","field_file_image_alt_text[und][0][value]":false,"field_file_image_title_text[und][0][value]":false},"2":{"format":"default","alignment":"","field_file_image_alt_text[und][0][value]":false,"field_file_image_title_text[und][0][value]":false}},"attributes":{"height":1292,"width":2000,"style":"height: 81px; width: 125px; float: left; margin-left: 6px; margin-right: 6px;","class":"media-element file-default","data-delta":"2"}}]]How do surgeons know when an elderly person is strong enough to withstand the stress of surgery? It's not an exact science to determine "frailty," but a simple test may help.