https://www.practo.com/consult/chest-pain-chest-pain-heart-palpitations-2d-echo-normal-ecg-atial-fribillation-doctor-said-anxiety-what-is-the-cause/q
17 yrs old Male asked about Chest pain, 1 doctor answered this and 81 people found it useful. Get your query answered 24*7 only on | Practo Consult
chest painheart palpitationsnormal ecgecho
https://www.vedantu.com/question-answer/in-the-normal-ecg-the-negative-waves-are-a-pqrs-class-11-biology-cbse-5f67fc1eb12a162d4ff4ed88
In the normal ECG the negative waves are a PQRS b PRT c QS d XYZ
normal ecgnegative wavespqrs