In the embodiment illustrated in FIG 1, slots 50 52 are oriented at an angle of approximately 75° with respect to the horizontal, i.e., at an angle of {HEAD ~ 15°} with {TAIL ~ respect} to side 22 of ECG monitor 10 
In the embodiment illustrated in FIG 1 , slots 50 52 are oriented at an angle of approximately 75 ° with respect to the horizontal , i.e. , at an angle of { HEAD ~ 15 ° } with { TAIL ~ respect } to side 22 of ECG monitor 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH