Give the ECG tracing of MAT(Multifocal atrial Tachycardia).?

give the ECG tracing of MAT(Multiple atrial Tachycardia)&explain indetails.

1)Rate= 100-250/bpm
2)P wave = two or more ectopic P waves with different morphologies
3)QRS = normal
4)Conduction= P-R intervals vary
5)Rhythm = irregular

Multifocal atrial tachycardia (MAT) may resemble atrial fibrillation or flutter.

It almost always occurs in seriously ill, elderly individuals. COPD is the most common underlying cause.

Medical/Legal Pitfalls:

* Treating MAT as atrial flutter or fibrillation

* Treating MAT with aberrancy as ventricular tachycardia

* Utilizing cardioversion or defibrillation when not indicated

* Failure to simultaneously correct hypokalemia when giving magnesium sulfate

* Failure to address the underlying medical problem; becoming distracted by the cardiac rhythm

* Discharging patients without adequately treating underlying medical problems.

I'm sure one of your med school text books have examples for you. I doubt if anyone here will "give" it to you and explain the complexes to you. Read your cardiology text.

Wow!!! How many times this week will this question show up.

Here is the ECG.
http://library.med.utah.edu/kw/ecg/mml/e...

And here you can read about the explainations:

http://library.med.utah.edu/kw/ecg/ecg_o...

http://patients.uptodate.com/topic.asp?f...

http://askdrwiki.com/mediawiki/index.php...

http://rnceus.com/ekg/ekgmat.html

The characteristics include a scooped out ST depression and variation in P-P intervals and PR intervals. Use the link below to see this "irregularly irregular rhythm that is around 130bpm". You can also click on the 3-channel tracing to enlarge it.

http://www.medscape.com/viewarticle/4109...

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