after birth, sequential echocardiograms confirmed the presence of ebstein's anomaly with imperforation of the tricuspid valve. viagra cost A gradual restriction of flow through the ventricular septal defect was observed, which resulted in progressive cyanosis in the patient. viagra without a doctor prescription The beginning of functional atresia was observed, requiring the interposition of a conduit between the subclavicular and pulmonary arteries to increase the pulmonary flow and alleviate hypoxemia. Surgery was carried out at 45 days of life. buy viagra canada   discussion ebstein's anomaly is characterized by a caudal displacement of septal and posterior leaflets of the tricuspid valve, as well as its distal insertions. These leaflets normally are dysplastic, redundant and adhered to the right ventricle wall 1-5. active ingredients viagra viagra Anomalies may also occur in the chordae tendinea. This anatomic condition leads to a decrease in the of dimensions of the functional right ventricle, which becomes restricted to the trabecular and outlet zones. The inlet zone is located above the valvar ring and is known as the atrialized right ventricle, with thinner walls and being partially responsible for defective filling of the ventricle, one of the causes of hemodynamic disturbances 2. The natural evolution depends on the severity of the defect, as the range of anomalies is large. much viagra without insurance In the less severe cases, patients are asymptomatic, but in the more severe ones cardiac insufficiency and cyanosis occur in the first weeks, with a tendency to improve as pulmonary vascular resistance diminishes. viagra online canadian pharmacy Eventually, a return to previous conditions occurs, with dyspnea on exertion and to cyanosis either low output or right to left atrial shunt, or both. much viagra without insurance The following anomalies have been reported that may be associated with ebstein's anomaly: atrial septal defect (90%), anatomic or functional pulmonary atresia (30%) and ventricular septal defect (less common) 1-3. buy viagra In about 10% of cases, the tricuspid valve is imperforate, leading to functional tricuspid atresia 2,5. cheap viagra This imperforation occurs due to the excessive redundancy of the anterior leaflet, with fusion of the comissures, obstructing the passage of flow from the right atrium to the right ventricle. viagra 100 mg duration This anatomic condition has been and continues to be the subject of discussion, as functionally it may be classified as a subtype of tricuspid atresia, but embryologically it belongs to the spectrum of ebstein's anomaly 3-6. much viagra without insurance The first cases were described in anatomic specimens by van praagh et al in 19.

Kim Stafford, a writer in Oregon...

You wander, find, study, consider — and from this engagement, you make little blessings to give away. This is a site for such gifts of word, image, & tune. 


                                   Seeds in the Desert

A song: The Edge of Heaven

Song by Kim Stafford, accompanied by Jan DeWeese

                            The Secret                         


After long delay, ignorant of what you guarded

when it came volcanic to your mind, there to be

hoarded smoldering until you found a way to tell it,

your secret is out—your joy too tender to entrust

to anyone, your pain too dangerous to reveal

until you do. And there it is, a birth, with blood,

to celebrate.

                     But then the bowl in the heart,

where such things first appear, has something

new to hide, some fingerling creature silver

in the dark, with jagged fins and tender wings

that must be held, locked up, suppressed, fed

crumbs as you fend off the world. Little one,

must you leave me now?


Thus we breathe our holy secrets one by one.



© Kim Stafford 2012