How does it handle problem cascades ? Like removing necrotic pancreatitis causing bleeding,c auterized bleeding causing internal mini strokes, strokes causing f

How does it handle problem cascades ? Like removing necrotic pancreatitis causing bleeding,c auterized bleeding causing internal mini strokes, strokes causing further rearranging emergency surgery to remove dead tissue? Surgery in critical systems is normally cut & dry, but occasionally becomes this avalancg of nightmares and add hoc decisions.