The nurse is performing a physical assessment on a patient with congestive heart failure (CHF). The nurse notes pitting edema and documents it as 2+ edema. Which of the following descriptions best defines 2+ edema?
• 1+ Barely detectable impression, immediate rebound
• 2+ Slight indentation, 15 seconds to rebound
• 3+ Deeper indentation, 30 seconds to rebound
• 4+ Greater than 30 seconds to rebound