2024年10月8日 · Simultaneous T wave inversions in the inferior (II, III, aVF) and right precordial leads (V1-4) is the most specific finding in favour of PE, with reported specificities of up to 99% in one study. T-wave inversion is commonly associated with acute coronary syndrome (ACS).

2020年4月17日 · 最近jacc上发表的一项回顾性研究（图2），明确指出，s1q3t3在肺栓塞患者中出现率仅有10%左右（图3），这远远达不到我们期待的高敏感率、高特异性的标准，更不要提把s1q3t3=肺栓塞了。

2024年12月23日 · 窦律 完全性右束支阻滞 逆钟向转位 ST-T改变（SIQIIITIII）。 这个符合SIQIIITIII但不一定就是肺栓塞，先简单查个D-D筛一下，不过我遇到的肺栓一般会有窦速，这个没有. 松间有明月：以前也这样，可排除肺栓塞。 肺栓塞在心电图上可表现出多种特征，以下是几种常见的心电图表现：1. 胸前导联T波倒置：主要出现在V1至V4导联，尤其是V1和V2导联最为常见，且T波倒置的深度依次递减。 这种改变是急性肺栓塞右心功能不全的敏感指标。 2. …

A 40 year old woman with pleuritic chest pain and breathlessness. The following, often transient, changes may be seen in a large pulmonary embolus. © Copyright ECG Library 1995 - 2017. Dr Dean Jenkins and Dr Stephen Gerred. The ECGs and associated images on ecglibrary.com may only be used with the permission of the authors.

2012年6月30日 · S1Q3T3 pattern means the presence of an S wave in lead I (indicating a rightward shift of QRS axis) with Q wave and T inversion in lead III. S1Q3T3 pattern is the classical ECG pattern of acute pulmonary embolism which is often taught in ECG classes, though it is not the commonest ECG finding in pulmonary embolism.

There is a wide range of ECG features associated with PE. 10%–25% of patients with PE have a completely normal ECG. The most well-known finding is the S1Q3T3 pattern, as seen in Case 1.

Overall, while the S1Q3T3 pattern may be insensitive for diagnosing all PEs, it is a very specific finding (97%) for all PE,19 and its prognostic value is significant for predicting which patients are likely to have RV strain or other adverse events. It is also more likely to be present during the acute phase of PE.

肺栓塞心电图s1q3t3是一种特定的心电图图形，反映了急性右心室扩张，qrs初始向量向右上偏移的现象。 S1Q3T3图形的出现可能与左后分支缺血、一过性左后分支传导阻滞有关。

2021年7月14日 · S1-Q3-T3 refers to an EKG pattern first described in the 1930s suggestive of cor pulmonale in a case series of patients with pulmonary embolism (PE). This pattern has the following findings: Large Q wave in lead III. ST depression with an ascent to the T-wave in lead II (red arrows). T wave inversion in lead III (blue arrows).

2024年7月16日 · S1Q3T3とは 急性肺血栓塞栓症を示唆する心電図変化 です。 厳密には肺血栓塞栓症で二次的に起きた 右房負荷を反映 していると言われています。 ただし感度は8.7％、特異度97.8％という研究結果もあり、S1Q3T3の心電図波形がみられても肺血栓塞栓症の確定診断には至りません。 さらにはS1Q3T3波形は出現してから24時間程度で消失するという報告もあります。 T波の陰転は肺血栓塞栓症の患者ではよく認められます。 また 下壁誘導（Ⅱ、Ⅲ、aVf） …