What does J point represent?

What does J point represent?

Introduction. The J point denotes the junction of the QRS complex and the ST segment on the electrocardiogram (ECG), marking the end of depolarization and beginning of repolarization.

What do J waves mean?

Abstract. The “J wave” (also referred to as “the Osborn wave,” “the J deflection,” or “the camel’s hump”) is a distinctive deflection occurring at the QRS-ST junction. In 1953, Dr. John Osborn described the “J wave” as an “injury current” resulting in ventricular fibrillation during experimental hypothermia.

What does early repol mean?

Early repolarization (ER), also recognized as “J-waves” or “J-point elevation”’ is an electrocardiographic abnormality consistent with elevation of the junction between the end of the QRS complex and the beginning of the ST segment in 2 contiguous leads[9,10].

Does distal mean below?

Distal: Further from the beginning, as opposed to proximal. Dorsal: The back, as opposed to ventral. Horizontal: Parallel to the floor, a plane passing through the standing body parallel to the floor. Inferior: Below, as opposed to superior.

What is J wave ECG?

The J wave is a positive deflection in the electrocardiogram (ECG) that occurs at the junction between the QRS complex and the ST segment, also known as the J point.

What is the J point in the heart?

The J point of the ECG is at the end of the QRS complex and the beginning of the ST segment. J point elevation can be seen in early repolarization. At times, J point elevation can be ischemic, however, this is somewhat rare.

What are Epsilon waves?

The epsilon wave is a small deflection buried in the end of the QRS complex and represent a delay in the depolarisation of the right ventricular free wall.

What is repol pattern?

An early repolarization pattern (ERP)—elevation of the QRS‐ST junction (J‐point) and QRS notching or slurring in multiple leads—is a common electrocardiographic finding that affects 1% to 13% of persons.

What is repolarization?

Definition of repolarization : restoration of the difference in charge between the inside and outside of the cell membrane following depolarization.

Which way is posterior?

dorsal – back
Posterior or dorsal – back (example, the shoulder blades are located on the posterior side of the body). Medial – toward the midline of the body (example, the middle toe is located at the medial side of the foot).

What does inferolateral mean?

See additional information. Inferolateral: Below and to one side. Both inferior and lateral. In anatomy, there are many such compound terms. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to ” Anatomic Orientation Terms “.

What is inferolateral myocardial infarction?

inferolateral myocardial infarction. in·fe·ro·lat·er·al my·o·car·di·al in·farc·tion. infarction involving the inferior and lateral surfaces of the heart and producing indicative changes in the electrocardiogram in leads II, III, aVF, V5, and V6. Synonym(s): apical infarction.

Is there a mild perfusion defect in the inferolateral wall?

Conclusions: The findings of the study may indicate that even a mild perfusion defect in the inferolateral wall should be carefully managed, especially in high-risk subjects for coronary artery disease. Publication types Research Support, Non-U.S. Gov’t

How old is the average person with an inferolateral wall?

The mean age was 56.62±10.23 years old (age range: 36-73 years). The inferolateral wall was compared to the left circumflex (LCX) territory.

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