In short, there is no mechanism to link the noise observations to a weakened header bond.

Header bond is often used on curving walls with a small radius of curvature.

The article suggested a weakened header bond was responsible for the abnormal sensing and pacing impedance experienced by the patient.

The double semicircular header bond arched opening holds two ledged batten doors that open out.

The entire concrete structure is covered with a facing of blocks in imitation of stretcher and header bond masonry.

The interlocking visible surfaces would then resemble either header bond or stretcher bond brickwork.

The interior of the stack is made from imported yellow to orange-red Cumbernauld firebricks laid in a header bond arrangement.

The fabric above and below the soldier course on the curve is predominantly of brick laid in header bond for strength and ease of curved construction.

We have received approval from U.S. and European regulatory authorities for the devices with the strengthened header bond and have been shipping these devices.

"We have implemented manufacturing process improvements to strengthen the header bond on these devices, allowing physicians to implant devices in either a subpectoral or subcutaneous position.

It is mostly red engineering brick in English bond, with seven rows of header bond around the arches and with stone for the plinths and parapet edge.

"Including this most recent case, only three instances of weakened header bonds have been observed in a context of more than 90,000 COGNIS and TELIGEN devices implanted subcutaneously.

Our analysis found that while the bond between the header and the case was weakened, the device functioned normally and a weakened header bond was not the cause of the abnormal sensing and pacing impedance observed in this patient.

The Eagles Building (): 1930, three stories with brick pilasters with stone capitals, stone coping, rectangular panels with rowlock brick and square stone corners, brick laid in header bond, soldier course brick over second and third floor windows, cut stone sills.

There are no specific tests to identify a weakened header bond.

Evidence of a weakened header bond is not typically visible via X-ray or fluoroscopy.

Early stages of a weakened header bond may only cause subtle lead impedance changes (in the tens or hundreds of ohms), whereas in the later stages there may be a very large change in lead impedance.