Cardiograph
FIG. 1 is a perspective view of a cardiograph, showing our new design with the display screen in lowered position; 
     FIG. 2 is a perspective view thereof, with the display screen in raised position; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a front elevational view thereof; 
     FIG. 5 is a right side elevational view thereof; 
     FIG. 6 is a left side elevational view thereof; 
     FIG. 7 is a bottom plan view thereof; and, 
     FIG. 8 is a rear elevational view thereof.