Age, gender, and body size can affect the size of the left atrium, but several medical conditions can also be responsible. The left atrium is one of the four chambers of the heart. It’s located in the ...
The lead-I electrocardiogram (ECG) devices were assessed when they were used in addition to 12‑lead ECGs. Clinical experts advised that a 12‑lead ECG would still be used after lead-I ECGs to identify ...
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