The most common ECG finding of an acute pulmonary embolism is sinus tachycardia; however, the classic finding is an S wave in lead I, Q wave in lead III and inverted T waves in lead III (S1Q3T3 ...

Know the causes of left axis deviation, right axis deviation and when the axis is indeterminate (northwestern). ... Sinus Tachycardia ECG Review; Third-Degree Atrioventricular (AV) ...

Question 1. What abnormalities are present on this ECG? A There is LBBB B There is RBBB and second degree heart block C There is RBBB D There is RBBB, first degree heart block and left axis deviation ...

ECG changes in normal pregnancy include a reduction in the mean values of PR interval, sinus tachycardia, left axis deviation, inverted or flattened T waves and a Q wave in lead D III. HR, heart rate.

Left axis deviation: −30° to −90° Right atrial enlargement: High/pointed P wave ≥2.5 mm in leads II and III or V 1: Right ventricular hypertrophy: Right axis deviation ≥120°, tall R wave in ...

This is a sinus tachycardia. The P waves are negative in leads V1-V2, consistent with a left atrial abnormality or left atrial hypertrophy. The QRS complex duration (0.08 sec) and morphology are ...