Twitter \ Phil على تويتر: "Yesterday, I used a little trick that @LeeGreenwood17 taught on my @EHUParamedics course. I was suspicious that a pt who'd collapsed was having a posterior heart attack.
![Importance of posterior chest leads in patients with suspected myocardial infarction, but nondiagnostic, routine 12-lead electrocardiogram - ScienceDirect Importance of posterior chest leads in patients with suspected myocardial infarction, but nondiagnostic, routine 12-lead electrocardiogram - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0002914998008613-gr1.gif)
Importance of posterior chest leads in patients with suspected myocardial infarction, but nondiagnostic, routine 12-lead electrocardiogram - ScienceDirect
ECG localization of “culprit” artery in ST Segment Elevation Myocardial Infarction using “the clock´s method”
![Absence of ST elevation in ECG leads V7, V8, V9 in ischaemia of non-occlusive aetiologies - ScienceDirect Absence of ST elevation in ECG leads V7, V8, V9 in ischaemia of non-occlusive aetiologies - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0167527304000312-gr1.gif)
Absence of ST elevation in ECG leads V7, V8, V9 in ischaemia of non-occlusive aetiologies - ScienceDirect
![Electrocardiographic Diagnosis of Remote Posterior Wall Myocardial Infarction Using Unipolar Posterior Lead V9 - ScienceDirect Electrocardiographic Diagnosis of Remote Posterior Wall Myocardial Infarction Using Unipolar Posterior Lead V9 - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0012369215460556-gr1.jpg)
Electrocardiographic Diagnosis of Remote Posterior Wall Myocardial Infarction Using Unipolar Posterior Lead V9 - ScienceDirect
![ST-segment elevation demonstrated in the posterior leads (V7, V8 and V9). | Download Scientific Diagram ST-segment elevation demonstrated in the posterior leads (V7, V8 and V9). | Download Scientific Diagram](https://www.researchgate.net/publication/347486141/figure/fig1/AS:970369632579584@1608365557528/ST-segment-elevation-demonstrated-in-the-posterior-leads-V7-V8-and-V9.png)