There is increasing interest in Q-T dispersion as a marker of inhomogenicity
of ventricular repolarization and hence ventricular arrhythmia due
to re-entery.
This study was performed to assess QT- dispersion in hypertensive
patients with and without left ventricular hypertrophy.
The study included 50 hypertensive patients: 25 patients with left ventricular
hypertrophy (LW-I) (Echo-diagnosed) as group I and 25 without
LVH as group H.
Every patient was subjected to full history taking and thorough clinical
examination, analysis of serum sodium and potassium. ECG for measurement
of QT- dispersion and echocardiography for detection of left ventricular
hypertrophy.
The study showed that: QT dispersion was significantly increased
in presence of left ventricular hypertrophy in hypertensive patients
compared with that in hypertensives without left ventricular hypertrophy.
So, early detection of LVH is of important valve in detecting the
hypertensives who are at higher risk for arrhythmia and sudden
death. Those patients must be investigated by arrhythmogenic marker. |
