To provide a medical apparatus capable of appropriately reporting an abnormal state to the user. An indicator 9 outputs whether an AED 1 is in an abnormal state. A power supply control unit 8 controls the AED 1. A monitoring unit 15 detects an operation abnormality in the power supply control unit 8. The power supply control unit 8 performs the operation monitoring of the monitoring unit 15 and, when detecting an operation abnormality, causes the indicator 9 to output an abnormal state. The monitoring unit 15 performs the operation monitoring of the power supply control unit 8 and, when detecting an operation abnormality, causes the indicator 9 to output an abnormal state.
