Posterior views of the heart can be best seen via posterior leads placed below the scapula to the left of the spine.
The inferior leadsThe inferior leads show the inferior aspects of the heart - the inferior aspects of the right ventricle and the left ventricle. Much of the inferior view of the heart is of the right ventricle. Precordial leads placed along the... show the inferior aspects of the heart – the inferior aspects of the right ventricleThe right ventricle ejects blood through the main branches of the left and right pulmonary arteries to the lungs. The chambers of the heart are the main drivers within an intricate pathway, delivering blood to the lungs for gas exchange... and the left ventricleThe left ventricle ejects blood into the aortic arch to the body. Within the arch, the coronary arteries branch off first followed by three main arteries that branch to the brain (carotids) and the upper thorax (subclavian artery). The chambers.... Much of the inferior view of the heart is of the right ventricle. Precordial leads placed along the right side of the chest help complete the picture of the right ventricle. Posterior views of the heart can be best seen via posterior leads placed below the scapula to the left of the spine.
The addition of three right-sided precordial leads provides a complete view of the right ventricle. The addition of three posterior leads completes an 18 lead ECGElectrocardiogram; also called an EKG; a representation of electrical voltage measured across the chest over a period of time. 1. Six Second ECG Guidebook (2012), T Barill, p. 196. Note that most 12 lead ECG units do not provide the sixteen electrodes necessary for an 18 lead ECG, or the thirteen electrodes required for a 15 lead ECG. Instead, two separate 12 lead ECGs are taken – the first with standard lead placement and the second with the precordial electrodes repositioned to address the right and posterior aspects of the heart. The extra lead viewsLocating the positive electrode is crucial to determining which area of the heart is viewed electrically. Metaphorically, the positive electrode serves as a mini-video camera aimed at the heart in the direction of the negative electrode. These leads and their... of a 15 or 18 lead ECGA 12 Lead ECG provides a fairly good electrical picture of the left side of the heart. The right side of the heart is somewhat under served. If the 12 Lead suggests any pathology to the inferior view of the... are then labelled accordingly.
1. Six Second ECG GuidebookA Practice Guide to Basic and 12 Lead ECG Interpretation, written by Tracy Barill, 2012 Introduction The ability to correctly interpret an electrocardiogram (ECG), be it a simple six second strip or a 12 lead ECG, is a vital skill... (2012), T Barill, p. 142-143