heart block


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Related to heart block: Complete heart block, First degree heart block, Second degree heart block

heart block

n.
A condition in which faulty transmission of the impulses that control the heartbeat results in a lack of coordination in the contraction of the atria and ventricles of the heart.

heart block

n
(Pathology) impaired conduction or blocking of the impulse that regulates the heartbeat, resulting in a lack of coordination between the beating of the atria and the ventricles. Also called: Adams-Stokes syndrome or atrioventricular block

heart′ block`


n.
a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.

heart block

A condition in which the electrical impulses in the heart are blocked at points in the conduction system.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.heart block - recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeatheart block - recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat
arrhythmia, cardiac arrhythmia - an abnormal rate of muscle contractions in the heart
References in periodicals archive ?
Congenital heart block (CHB) (2) refers to complete or incomplete dissociation of atrial and ventricular contractions owing to conduction abnormalities.
Dr Eugenio Cingolani, of the Cedars-Sinai team, said: "We hope to work with foetal medicine specialists to create a life-saving catheter-based treatment for infants with congenital heart block.
There is evidence in the literature that heart blocks and ventricular standstill can spontaneously reverse.
My partner, Patrick, waswith me, and he came in and the cardiologist told us that I had a heart block between chambers in the atrium care I received quality would deteriorated dramatically and ventricle and would need to be fitted with a dual pacemaker.
Swanson and Samani (14) have reported a patient with acute, reversible type II (Wenkebach) heart block due to chloroquine treatment and they have suggested that conduction delay may be due to a related cardiomyopathy and fibrosis affecting the interventricular septum.
Third-degree AV block or complete heart block is present when impulses from the atrium are not conducted to the ventricles (Figure 4E).
Heart block (combining all degrees) occurred in 3 (19%) of 16 pregnancies in mothers with a previous CHB child and 3 (4%) of 74 with no previously affected children.
Niketa and Haresh Mehta along with their doctor Nikhil Datar had moved to court seeking abortion of the couple's first child after physicians diagnosed the unborn child with a congenital heart block in the 24th week of pregnancy.
He said Luke, who loved military history and computer games, could have suffered a fatal heart block, which can be caused by increased fatty deposits becoming lodged in the heart.
Rebecca said: "Tiger-lily was diagnosed with a third-degree heart block at the beginning of October last year when she was 18 months old and we were told that the risks were collapse or even sudden death.
During about 4 years of follow-up, cardiovascular diseases were diagnosed in 12 patients (7%), including cases of coronary artery disease, complete heart block, drug-refractory atrial fibrillation, and valvular dysfunction.
Three-month-old Liam King was fitted with the device to regulate his heartbeat when he was five days old after a congenital heart block was detected while he was still in the womb.