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Biomedical subjects

R J House

Publications and source records attributed to R J House.

7 recordsLinked to original sources

Pacemaker twist: Twiddler's syndrome.

Two clinically asymptomatic cases of cardiac pacemaker twist or Twiddler's syndrome are presented. These examples illustrate that not all cases of pacemaker twist are symptomatic and need intervention. Both patients had unipolar pacemaker systems inserted for second degree heart block and sick sinus syndrome, respectively. The diagnosis of pacemaker twist was made on routine chest radiograph, requested for conditions unrelated to pacemaker dysfunction. No manipulation of pacemakers was documented. The recognition and documentation of radiological signs of pacemaker twist is important as a baseline for follow up especially if symptoms of pacemaker dysfunction arise.

Aged↗

Temporomandibular joint air in fractures of the skull base.

Basilar skull fractures involving the temporal bone extend through the tympanic part of the temporal bone in two-thirds of cases. The anatomical relationship of this part of the temporal bone and the temporomandibular joint enables air to pass from the auditory canal into the joint. Air in the temporomandibular joint is demonstrated on CT scans as an indirect sign of temporal bone fracture.

Adolescent↗

Early computerized tomographic scan and neurological assessment in subarachnoid hemorrhage.

The grade of cerebral function on admission, the clinical outcome and the initial computerized tomographic (CT) scan of 52 patients with subarachnoid haemorrhage have been reviewed. The presence of widespread haemorrhage, hydrocephalus, haematoma and ischaemia on the initial CT scan is associated with poor neurological outcome in this series, irrespective to the initial neurological grading.

Brain↗