He aha te pātai ki: "I roto i te mate pukupuku, ko te tohu a Erb e pa ana ki te tuatoru o nga waahi intercostal i te rohe o te taha maui o te taha maui, kei reira te S2 e tino pai ana ki te."? Ko te kaupapa ko te wāhi o Erb (cardiology).
"He aha te erb/heart?"