You are assessing an elderly male patient who is complaining of chest pain. You have determined that his radial pulse is barely palpable. You also determine that there were 20 pulsations over 30 seconds. Using this information, how would you describe this patient's pulse?
◦ Pulse 20, weak and regular
◦ Pulse 20 and weak
◦ Pulse 40 and weak
◦ Pulse 40, weak and irregular