The black line for Tachycardia is off a bit. The second pitch does end at the second dot (counting up from the bottom to the top), and the way the line rounds around the overhang above the belay is accurate, but from there the bolt line continues to go on to the west side of Heart Rock (the wall forming the west (right) side of the draw between Changing the Stripes Buttress and Heart Rock). If you are watching climbers from the road they will disappear once they climb around the overhang above the belay for pitch 3, and then reappear a bit lower than the third dot from the bottom.
I'd also like to add on Tachycardia, that there is no reason to not string pitch 1 and 2 together. The rope drag on p3 is pretty stiff as the bolt line goes over the crux (the first move from the top of p2) then moves from the south face to the west face and eventually moves straight up to a double bolt (dot 3 counting from the bottom up) which is a good place to belay up the following climber(s). If you have a rope team of 3 the second should leave in directional draws (slings) as without them a fall would result in a big pendulum.
To descend Heart Rock we rappelled from the fourth dot in this picture (counted from the bottom up), down to the second dot. Second rappel was from the second dot into the draw between Heart Rock and Changing the Stripes Buttress. We had a 70 m rope and used all but a few meters on the second rappel. The summit register is not at the fourth dot, but rather to the SW across the gap.