third-degree block

third-degree block

See Heart Block.
References in periodicals archive ?
Contract notice: Installation for The purification of water cannon screens boiler evaporator unit 3, 4, 8 and blowers for the treatment of primary superheater third-degree block in the boiler 4.
However, progression to second-degree and irreversible third-degree block in the postnatal period is well documented (4).
In contrast, these regenerative processes apparently do not occur in cardiac tissue; third-degree block is irreversible to date.
Since fetuses presenting with third-degree block may not benefit from treatment, the critical times to intervene would be: 1.
There was no reversal of third-degree block with therapy or spontaneously.