Atrial Transport: Pressure Recording
Report:
Ectopic tachycardia (unspecified, possibly aberrant NPJT or VT) 120/min.
Sinus tachycardia 100/min.
Comment:
The nature of the faster rhythm is difficult to establish on this diagnostically unfavourable strip. A similar run shown below on this page is consistent with aberrant nonparoxysmal junctional or ventricular tachycardia and AV dissociation.
The relatively slow tachycardia is interrupted by an early beat, possibly a junctional (or VT) beat without the previously masked 2:1 exit block. At any rate, this allows a sinus capture (note the diagnostic importance of a narrow capture beat!) and, one cycle later, increase in the aortic root pressure. Appropriately timed atrial systole may contribute 20-25% to the ventricular filling.
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