Apana Vayu Mudra (Mudra of Heart):

Method:
The tips of the middle finger and ring finger touch the tip of
thumb, while the index finger touches the base of thumb and
little finger stretched out..
Specialty:
It benefits the heart. It works like injection in the reduction of
heart attack. It is as powerful as sorbitate tablet. It reduces the
gas content in body.
Time Duration:
Practice it as many times as you can. Heart patients and BP
patients can practice it for 15 minutes daily twice for better
results.
Benefits:
It strengthens the heart and regularizes palpitation
It regulates excretory system
It redeems gastric trouble