Tag Archives: reciprocal changes

Contiguous and reciprocal lead charts

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Here are some charts to help you identify and localize acute STEMI on the 12 lead ECG. Contiguous leads What do we mean when we say leads are “contiguous”? Contiguous leads are “next” to one another anatomically speaking. They view the same general area of the heart (specifically the left ventricle). For example, these states […]

EMS 12-Lead

Cardiac Rhythm Analysis, 12-Lead ECG Interpretation, Resuscitation

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Comments
Stuart
Anterior T wave inversions and PE.
Studies (can't remember them off the top of my head) have shown that TWI in V1-4 + III is 85% likely to be RV strain, 15% ischemia. If I see anterior TWI, the very next lead I look to is III
2014-11-23 18:00:51
Arlene R
The Trouble with Sinus Tachycardia
It has been very insightful for me as i read this post. Thanks to the may people who commented. Like many nurses, I was also taught to differentiate svt from st by rate and now I stand corrected. I have a Telemetry test coming up soon, I wont have the patient in front of me…
2014-11-20 19:59:33
Nick
100 yof CC: Rib pain and intermittent spasms
Can't be a potassium imbalance. The TW's wouldn't change and then change back. If it was coronary spasm, I would expect some ST segment elevation. The TW'S are also not hyperacute (peaked). Does she wear some sort of electronic stimulator?
2014-11-19 01:05:43
Anterior T wave inversions and PE. | EMS 12 Lead
Not just S1Q3T3: Look at the other 10 leads!
[…] Last week, I described the case of a middle-aged male with a vague history of heart failure who had been having progressive shortness of breath for 4-5 days. On the day he called 911, he had been walking a short distance when he syncoped. EMS obtained an ECG: […]
2014-11-18 18:33:47
Christine
100 yof CC: Rib pain and intermittent spasms
I believe this may be coronary artery vasospasm.
2014-11-18 11:02:45

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