The talk test is a simple way to measure relative intensity. In general, if you're doing moderate-intensity activity you can talk, but not sing, during the activity. If you're doing vigorous-intensity activity, you will not be able to say more than a few words without pausing for a breath.
Murphy's sign is is considered positive if pain is elicited on the right side, but not the left side. A positive test may indicate cholecystitis. Cullen and Grey Turner signs may be present in pancreatitis, whereas Chvostek's and Trousseau signs appear with abnormal calcium levels.
