Final answer:
The intervention that should be performed next is to check for an organized rhythm, determine the pulse and breathing status of the patient, and consider defibrillation if indicated. Sinus brady refers to a slow heart rate that can lead to inadequate blood and oxygen supply to the body.
Step-by-step explanation:
Intervention for Sinus Brady During CPR
The intervention that should be performed next in this situation is to check for an organized rhythm, determine the pulse and breathing status of the patient, and consider defibrillation if indicated. Sinus brady refers to a slow heart rate that can lead to inadequate blood and oxygen supply to the body. In this case, the chest discomfort and collapse suggest that the patient's condition is worsening despite receiving CPR. The absence of pulse or respirations indicates the need for further action.
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It is important to note that the specific intervention may vary depending on the context, available resources, and the healthcare professional's assessment.