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Old 07-14-2013
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First Aid first aid cardiac cycle figure error

So in page 283 of FA 2012,

the first figure has 3 colored (orange,green and blue) scenarios given which may change the cardiac cycle (increased contractility, preload and afterload respectively).

I had a question on whether the orange line is incorrectly drawn to coincide with the green line to the right of the graph.

I understand increased preload can lead to increased contractility, but if the orange line where to represent effect of digoxin(increases contractility alone), then the figure in first aid would be wrong! right?

Is that basic? forgive me :sorry:
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