FIG. 1 is a perspective view of a combined portable cardiac and respiratory monitor showing my new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is an end elevational view thereof; and

FIG. 7 is an end elevational view thereof, opposite that shown in FIG. 6.