Physiology The left atrial yvas lay than ‘a’ wave in comparison to right atrium because: A Left side is high pressure system B Left atrium is more compliant C Left atrium is compressed posteriorly by pulmonary veins D Right atrial pressure is transmitted into the pulmonary circulation 💡 Explanation The left atrial yvas lay than 'a' wave in comparison to right atrium because: ✓ Correct Answer: A. Left side is high pressure system