Pulmonaryrelated to the lung veinBlood vessel draining deoxygenated blood from the organs to the heartBlood vessel draining oxygenated blood from the lungs to the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heartBlood vessel draining oxygenated blood from the lungs to the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heart isolation is the process of electrically isolating the pulmonaryrelated to the lung veins from the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heart so that tachycardiafast rhythm of the heart focus in the pulmonaryrelated to the lung veinBlood vessel draining deoxygenated blood from the organs to the heartBlood vessel draining oxygenated blood from the lungs to the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heartBlood vessel draining oxygenated blood from the lungs to the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heart does not get conducted to the left atriumUpper thin walled chambers of the heart (left and right). They receive the blood returning to the heart and cause atrialRelated to the atrium (upper chamber of the heart) fibrillationIrregular fast rhythm originating from the upper chamber of the heart.