Diaphragm stimulation device and method for use with cardiovascular or heart patients

A device for stimulating diaphragm contraction in a subject comprising:

• an electrical stimulation device configured to provided electrical stimulation to a subject to activate a diaphragm;
• a device interaction controller configured to control interaction of the electrical stimulation device with a cardiac rhythm management device.

A cardiac rhythm management device in combination with a diaphragm stimulation device comprising:

• a cardiac stimulation device configured to provide stimulation to control cardiac rhythm of a subject;
• and
• an electrical stimulation device configured to provided electrical stimulation to a subject to activate a diaphragm to increase functional residual capacity of the subject.