Q WAVES - Abnormal Q Waves ( lead I, AVF and III, Precordial leads), QRS COMPLEX - QS Deflection (lead II (rare), III, AVF and precordial leads), High Voltage QRS, Low Voltage QRS, Tall and/or Broad R Wave in V1, Poor R Wave progression in Precordial Leads, RSR' Complex in V1 with Normal QRS Interval ( < 120 msec), RSR' Complexesin V1 with Prolonged QRS Interval ( >120 msec), Prolonged QRS Interval
ST-T WAVE CHANGES - Depressed S-T Segment in Direction Opposite to Main QRS Deflection, Elevated S-T Segment in Same Direction as Main QRS Deflection, Elevated S-T Segment in Opposite Direction as Main QRS Deflection
Q-T INTERVAL - Prolonged Q-T Interval, Shortened Q-T Interval,
T WAVES - High Voltage T Waves in the Precordial Leads, Inverted or Diphasic T Waves Instead of Normally Upright, Marked T waves, Tall U Waves
U WAVES Negative U Waves
OTHERS S1,S2,S3 Syndrome, Right Axis Deviation, Abnormal Left Axis Deviation
In the medical field Continuing Medical Education (CME) is critical in keeping up with advances in medicine and with changes in the delivery of care. Alviarmedical.com offers an online repository of educational resources to help medical personnel in maintaining, developing and increasing their knowledge, enhancing their skills and professional performance.
The following topics includes basic information on cardiovascular diagnostics, advancement in clinical chemistry and pathogenesis of various diseases.
The ECG is the product of a series of technological and physical advances pioneered over the past 2 centuries. Early demonstrations of the hearts electrical activity (vectors) was recorded by Waller in 1887. By 1901, Einthoven invented the galvanometer which provided a direct method for registering the electrical activity of the heart.
Click on the links on this page to know a thing or two about ECG's.
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