Question

4th 30 seconds --> After evaluation and MRSOPA:

-Begin chest compressions
-Evaluate __ periodically to decide if necessary (i.e. still less than __); but avoid frequent interruptions of chest compressions

Answer 1

The incomplete statement is referring to the periodic assessment of pulse and breathing during CPR to determine the necessity for continued chest compressions. It emphasizes the importance of continuous compressions to maintain blood flow, especially to the brain, and to avoid frequent interruptions once CPR has begun.

Step-by-step explanation:

The question pertains to the procedure that should be followed during cardiopulmonary resuscitation (CPR), specifically during the fourth 30-second cycle after performing the Mnemonic MRSOPA evaluation for airway management. The blank spaces in the question should be filled with references to checking the patient's pulse and breathing (evaluate pulse, breathing) and the specific benchmarks for effective CPR (evaluate heartbeat periodically). It suggests that chest compressions should begin after MRSOPA evaluation and that the rescuer should periodically evaluate the patient to decide if continuous compressions are necessary, implying that chest compressions should continue if there is no spontaneous heartbeat or effective breathing. However, frequent interruptions should be avoided to maintain the necessary chest compression rate and depth, which are crucial for maintaining blood circulation, particularly to the brain where irreversible damage can occur within minutes of oxygen deprivation.