Dr. Smith's ECG Blog

MARCH 17, 2025

Nevertheless, the operator performed intravascular ultrasound and saw erupted calcium nodule consistent with plaque erosion. Echocardiogram showed inferior hypokinesis. As you can see, the lesion is not very angiographically impressive , more on this below. Troponin was rising when last checked, 8928 ng/L.

STEMI 81

STEMI Chest Pain Myocardial Infarction Document 81

Dr. Smith's ECG Blog

JANUARY 21, 2025

In this study of consecutive patients with LBBB who were hospitalized and had an echocardiogram, a QRS duration less than 170 ms (n = 262), vs. greater than 170 ms (n = 38), was associated with a significantly better ejection fraction (36% vs. 24%). So indeed the QRS is approximately 200 ms. Comment: What is the normal QRS duration in LBBB?

Chest Pain 61

Chest Pain STEMI Tachycardia Myocardial Infarction 61

Dr. Smith's ECG Blog

FEBRUARY 6, 2025

There were no plaques or stenoses. It is reasonable to perform an echocardiogram to evaluate LV function. A workup was undertaken in search of a cause of the patient's ventricular arrhythmia. As noted above echocardiography was completely normal. CT coronary angiogram showed a hypoplastic RCA and dominant LCx. 3] Lavalle, C.

Tachycardia 72

Tachycardia Arrhythmia Ablation Atrial Flutter 72