PMC3235997_01
Pre-test 12 lead electrocardiogram.
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The pre-test 12 lead ECG is shown in Figure 1.
Resting echocardiogram, LVED volume: 69.40 ml, IVS: 1.25 cm, LVIDd (left ventricular internal dimension at diastole): 3.99 cm, LVIDs (left ventricular internal dimension at systole): 2.64 cm, ESV: 25.61, EF: 63.09%, SV: 43.78 ml.
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The resting echocardiogram is shown in Figure 2.
Exercise induced non-sustained ventricular tachycardia, wide QRS (duration: 160 ms).
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During exercise, several episodes of NSVT developed (wide QRS morphology with duration of 160 ms); the longest run was during peak exercise with heart rate of 140 beats/min, and the blood pressure of 140/80 mm Hg, which lasted for 1 min (Fig. 3).
Stress echocardiogram during ventricular tachycardia, LVIDd: 6.80 cm, LVED: 69.93 ml, LVIDs: 5.41 cm, LVESV: 29.35 ml, LVEF: 58.03%.
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The stress echocardiogram during VT episode showed left ventricular dilation (Fig. 4).
ECG strip during recovery.
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The recovery strip showed a normal sinus rhythm with a terminal heart rate of 76 beats/minute (Fig. 5).
LAD coronary involvement during angiogram.
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Patient was referred for an angiogram, which revealed 90% blockage on proximal LAD coronary artery (Fig. 6).
Stent placement during PCI.
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A 2.5 mm x 18 mm Xience stent was inserted (Fig. 7).