Diabetic Medication Charts - includes insulins with onset, peak, duration

Diabetes Zone

CHF 

How The Heart Works(animation and text )

CHF - basic but good, can be used for teaching)

American Heart Association - CHF

Congestive Heart Failure Guide

Focus on CHF ( meds used)

CHF - Pathophysiology,Diagnosis and Treatment ( medically oriented)

Heart Failure FAQ

CHF - Lots of Links