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1754444 tn?1312351675
Mobitz type II AV block, Vaso Vagal Syncope Syndrome, LVEF 65% Trace to mild MR 29 Years old Female
I have been diagnosed with Vaso Vagal Syncope Syndrome. My paper work also states Mobitz type II AV Block, and I had an Echogram done on 5/6/11 and the Conclusion says LVEF 65% Trace to MIld MR. I wore a heart monitor and it states that A: Cardionet monitoring device with multiple episodes of Wenckcbach, as well as 2:1 AV block almost exclusively during sleep, not associated with sysptoms. B: Echcardiogram 5/6/11 Normal ejection fraction, grade 1 diastolic dysfunction, otherwise unremarkable.  What does all this mean for me? I went to the ER on 5/18/11 and they made me see the Cardiologist the next day. My records from the ER states  " She was found to be in Mobitz type II AV block and is being seen for further evaluation."

Echo Report states  Clinical Indications: Presyncope, dizziness, arrythmias
                                Technical Quality:  Technically difficult study

Echo Type:  2D Echo w/Pulsed, CW, & Colorflow Doppler

Left Ventricle: Normal left ventricular cavity size, Normal left ventricular wall thickness. Normal left ventricular systolic function. Doppler suggests abnormal diastolic function.

Estimated LVEF:  65

Left Atrium: Normal left atrial size.

Right Ventricle: Normal right ventricular cavity size.

Right Atrium:  Normal right atrial size.

Mitral Valve: Structurally normal mitral vavle. Trace to mild mitral regurgitation.

Aortic Valve:  Structurally/ functionally normal aortic vavle. Trace aortic insufficiency.

Tricuspid Valve: Normal

Pulmonic Valve: Normal

Aorta: Normal

Pericardium: Normal

IVC: Normal

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1 Answers
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367994 tn?1304957193
Type 2 Second-degree AV block, also known as Mobitz II is almost always a disease of the distal conduction system. Usually a block of an AV electrical impulse is not a problem however, the risk of Mobitz 11 is a complete block and arrhythmia.  

Q: Left Ventricle: Normal left ventricular cavity size, Normal left ventricular wall thickness. Normal left ventricular systolic function. Doppler suggests abnormal diastolic function.

....Heart structure is normal, and the heart is pumping normally.  However, abnormal DD indicates there is a blood filling insufficiency. All other comments indicate no problem.
Usually when there is diastolic dysfunction is due to an abnormal increase in heart wall size (the rigidity of wall inhibits the chamber to relax and fill normally.  Or DD can be caused by right side heart failure...failure to pumped sufficient blood to the lungs to be oxygenated and as a result less blood goes to the left ventricle.

I don't see anything with your echo report to indicate a cause for DD.grade1 which is not very serious. In fact it appears to be very good notwithstanding the DD.  

Hope this helps and if you have any further questions or comments you are welcome to respond.  Thanks for your question, take care,

Ken
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