Hi:
"Do I need to push this issue further with my doctor"
Yes. Definitely.
..."and it showed regurgitation"
Valvular regurgitation (leakage) levels goes from trace or physiologic (aka minimal or trivial, found in many otherwise heart-healthy people, and for the most-part, can be safely ignored), to mild (should be monitored) to moderate (should be monitored closely to see what overall effect it's having on the heart) to severe (when it gets to this point, valve repair or replacement is usually dictated).
Valvular regurgitation grading scale by echocardiography is 0-4 . Valvular regurgitation can cause various symptoms or no symptom(s) at all.
Take care,
CardioStar*
WebMD member (since 8/99)

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Be well-informed
Vasovagal Syncope
http://www.mayoclinic.com/health/vasovagal-syncope/DS00806 - Bundle branch block
Causes, significance and treatment
Bundle branch block (BBB) is a relatively frequent finding on the electrocardiogram (ECG). Sometimes BBB itself needs to be treated; sometimes it indicates significant underlying cardiac disease that needs to be treated; and sometimes it has so little significance that no treatment is necessary at all...
http://heartdisease.about.com/cs/arrhythmias/a/BBB.htm Right and Left Bundle Branch Block
http://heartdisease.about.com/cs/arrhythmias/a/BBB_2.htm Incomplete BBB, Hemiblock, The Hemiblocks,The left bundle branch itself divides into...... Sometimes a block can occur in just one......referred to as a hemiblock, or a fascicular block.
http://heartdisease.about.com/cs/arrhythmias/a/BBB_4.htm Bundle Branch Block Symptoms
http://www.texasheart.org/HIC/Topics/Cond/bbblock.cfm -
POTS: An Overview
http://www.dinet.org/pots_an_overview.htm Dysautonomia Information Network
Pertinent snippets
POTS can be categorized as pri
mary, meaning it is idiopathic and not associated with other diseases, or
secondary, meaning it is associated with a known disease or disorder......
People generally develop POTS after becoming sick with a virus, giving birth, or being exposed to great bodily stressors (i.e. surgery, trauma or chemotherapy).
Some people have had POTS their entire lives. Teenagers sometimes develop the disorder during the years of rapid growth, and 75-80% of them can look forward to being asymptomatic when they reach adulthood
_ . _
Important points about POTS -
As reported:
POTS is defined as a clinically significant increase in heart rate (anywhere from occurring immediately or to within 10-30 minutes) upon standing from a lying down or sitting position.
The length/duration of time patients diagnosed with POTS can comfortably stand
varies wdely from one individual to another.
POTS often generates a temporary rise in blood pressure (BP) immediately upon standing due to rapid acceleration of the heart rate.
POTS patients
often have a measurably low standing pulse pressure (that is, difference between systolic and diastolic, normal resting pulse pressure is 40 mmHg, give or take a bit), which may/can be an indicator of blood pooling (collecting).
Some patients with POTS have a
damaged regulatory system that may/can result in paradoxical wild swings in BP from under 50 mmHg to over 200 mmHg. Complexly, POTS can be a low and high BP pressure problem combined.
During a Tilt Table Test, some POTS patients have large drops in BP and pass out (syncope, temporary loss of consciousness, also includes fainting), while other patients have only relatively shallow/small drops in BP, or none at all.
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Heart Rhythm Society
Patient Resources
http://www.hrspatients.org/patients -
Learn About the

WebMD
The Heart: (Human Anatomy) Pictures, Definition, Location in the Body and Heart Problems
http://www.webmd.com/heart/picture-of-the-heart -
Quote!
"Be a
questioning patient.
TALK to your
DOCTOR and
ASK QUESTIONS. Studies show that patients who
ask the most questions, and are most assertive, get the best results. Be vigilant and speak up!"
- Charles Inlander, People's Medical Society
.
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