heart block


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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 ?
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.
As ventricular tachycardia persisted, amiodarone 150 mg over 10 minutes was given intravenously following which severe bradycardia (HR 40 /min) ensued and progressed to complete heart block with severe hypotension.
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.
Intravenous immune globulin has been suggested as a possible therapy for preventing congenital heart block caused by neonatal lupus, and early data from a study of the treatment indicate that further study is warranted.
Alice Brown, a mother of two from Oriel Drive in Aintree, needed a pacemaker after being diagnosed as having a complete heart block at Fazakerley hospital.
He concurred that an overlooked intermittent heart block could explain my problem and promptly requested a cardiologist to insert a pacemaker.
One approach that could be considered in your case involves a fairly simple procedure to create heart block with a catheter followed by pacemaker implantation.
After initiating telemetry, 80% of the patients had a normal sinus rhythm, and the remaining 20% had atrial fibrillation or flutter, a paced rhythm, junctional rhythms, second-degree heart block, or tachycardic runs.
Her mother survived a seizure in hospital, then a couple of weeks ago had another caused by a heart block, said Mrs Young.
Occurring spontaneously or from a heart attack or other illness, heart block prevents electrical signals from the heart's upper chambers from passing normally to the lower chambers.