Why the study?
Does the type of AV nodal reentry circuit (typical vs atypical) affect haemodynamic responses during SVT in patients with paroxysmal SVT?
Population
16 subjects with paroxysmal supraventricular tachycardia (SVT)
Comparison
Artificially induced typical SVT in 10 patients… vs Right atrial pacing at a similar rate of SVT
Design
Cross-sectional
Authors
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SVT type was associated with differing hemodynamic responses; hypothesis-generating and should not yet change practice in paroxysmal SVT.
Does the type of AV nodal reentry circuit (typical vs atypical) affect haemodynamic responses during SVT in patients with paroxysmal SVT?
The haemodynamic response to SVT differs significantly between typical and atypical reciprocating tachycardia, mainly influenced by the temporal relationship between atrial and ventricular systole.
Sganzerla et al. (1989) studied this question.
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