ECG leads installation and functional check

Prerequisites

Table 1 Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	5 minutes	Not Applicable

Table 2 Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Ohmmeter	1	-	-	-

If not already done, disconnect the ECG cables from the PAC and from each other.

Figure 1. PIN Diagram of ECG Lead
Check the impedance of the ECG cables from each of the leads at point A to the other end of that lead at point B. It should be 60k ohms ±5% tolerance.
Check the impedance of the ECG cables from each lead at point B to its respective connection at point C. The impedance should be 0 ohms.

Figure 2. PAC Assembly with ECG Leads Connected

Connect the white high impedance MRI ECG lead wires to the gray ECG patient cable by matching the colors on the white cable to the colored dots on the gray cable.
Plug the open end of the gray ECG patient cable into the ECG port of the PAC. (See Figure 2.)
Connect the ECG lead to the port located on the patient monitor hook on left side of the magnet.

Figure 3. Port on Patient Monitor Hook