is strongly dependent on the ECG recording lead. When the maximal QRS vector changes in one lead during bidirectional VT, the axis perpendicular to the former lead shows polymorphic VT. However, unlike other polymorphic VTs, such astorsades de pointes, the QRS morphology is not chaotic b...
ECG criteria the QRS complex is wide and often premature with increased amplitude and of a bizarre shape. the QRS width is 0.12 second or wider. the T wave is of opposite polarity to QRS complex. there is no related P wave (unless there is retrograde conduction back through the AV node,...
What are some of the possible causes (etiology) of atrial fibrillation? An ECG can help diagnose: a. low hemoglobin. b. high blood pressure. c. arrhythmias. d. high afterload on the heart. Fill in the blanks. Abnormal ventricular-induced QRS complex waves are ___ (longer/s...