Positive T-waves are rarely higher than 6 mm in the limb leads (typically highest in lead II). In the chest leads the amplitude is highest in V2–V3, where it may occasionally reach 10 mm in men and 8 mm in women. Usually, though, the amplitude in V2–V3 is around 6 mm and 3 mm in men and women, respectively.

Figure 3. The electrical activity on an ECG (EKG). The areas represented on the ECG are summarized below: V1, V2 = RV; V3, V4 = septum; V5, V6 = L side of the heart; Lead I = L side of the heart; Lead II = inferior territory; Lead III = inferior territory; aVF = inferior territory (remember ‘F’ for ‘feet’) aVL = L side of the heart; aVR ...

心电图上的v1、v2、v3、v4、v5、v6导联分别代表心脏的不同部位，通过对这些导联上的心电图进行分析，可以为医生诊断心脏疾病提供重要依据。 在进行心电图检查时，准确放置导联位置非常重要，这样才能获得准确的心电图结果。

2024年10月10日 · A review of ECG features of left ventricular hypertrophy (LVH), including voltage and non-voltage criteria

2025年1月9日 · What are V1, V2, V3, V4, V5, V6 in ECG? The V1 to V6 leads in an electrocardiogram (ECG) are chest leads that provide a specific view of the heart's electrical activity from different angles on the chest. Here's a breakdown of their specific placements: Fourth intercostal space, right sternal border. Fourth intercostal space, left sternal border.

2021年4月27日 · 如何巧用“额面”的v1、v2和v3导联 心电图的主要作用在于诊断，说了这么多，如何应用最重要。 我们不妨来看几个实战的案例。

4 天之前 · V3: Midway between V2 and V4; V5: 5th intercostal space, anterior axillary line; V6: 5th intercostal space, mid-axillary line; Calibration and standardisation. Proper calibration ensures accurate ECG interpretation. Standard ECG paper moves at 25 mm per second, with time plotted on the x-axis and voltage on the y-axis. On this paper:

ECG changes resemble those seen in posterior infarction due to occlusion in the RCA, namely ST-segment elevations in V7–V9 and reciprocal ST-segment depressions in V1–V3, along with high R-waves and positive T-waves in the same leads (V1–V3).

2021年1月14日 · 1. On a right-sided ECG, V1 and V2 remain on the same place. V3 to V6 are placed on the same place but mirrored on the chest. So V4 is in the middle of the right clavicle. The ECG should be marked as a Right-sided ECG. V4R (V4 but right sided) is a sensitive lead for diagnosing right ventricular infarctions. 2.

Differential Diagnosis with V1-V2. Limb Electrodes and Limb Leads. Learn about ECG electrodes, limb and chest electrode placement, Einthoven's Triangle, electrical axis, and the principles behind 12-lead ECG systems.