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What is the flat line on an ecg called?
isoelectric lines!
Why use P Q R S T on the ECG?
Willem Einthoven invented the ECG in 1903. The letters P Q R S T were assigned to the points on the ECG because it was thought that there may be more points in either direction to be found. The letters remained in use out of common practice even after it was determined there were no further points to be labelled.
What is the isoelectric line of the ECG?
An isoelectric line on the electrocardiograph is the base line on an electrocardiogram.
What confounding variables can interfere with an ECG?
jewlrey, medications, movement, lead placement, metal buttons,
What is atrial repolarization indicated by?
The atrial repolarization occurs during the QRS complex of the ECG but is obscured by the ventricle depolarization.
What is the small squares on an ECG strip equal to?
One small box is 0.04 seconds. To get a heart rate, usually expressed as "per minute", divide 300 by the number of LARGE boxes between QRS wave peaks. A large box is 0.2 seconds. (Math: one minute = 60 seconds. One second = 5 x 0.2 seconds per large box, thus 60s x 5 boxes per second = 300 LARGE boxes per minute) which also happens to be the upper limit of normal for the PR interval used in determining the presence of primary AV block. One can also memorize the rate for the number of large boxes, rather than doing the math: 1 = 300; 2 = 150; 3 = 100; 4 = 75; 5 = 60. If you have more boxes than that, or less, you'd better page me rather than worrying about math!
What is the patients heart rate per minute on an ECG recording if five 5mm boxes are seen between the R waves?
80
Each small square in ekg sheet represent?
Each small square on the ECG paper represents 0.04 seconds
How many deflection waves in an ecg?
6
What is the normal range for R-R interval on an ECG?
Between 0.6 (100bpm) and 1 second (60bpm).
Is 1.5 rr interval normal on ecg?
If the RR of 1.5 is in seconds, it is outside the normal range of 0.6 - 1 second
What does the ECG and EKG record?
ECG and EKG mean the same thing, and it records the hearts electrical activity on a 6 second strip. The physician can make a diagnosis by looking at the EKG print out. If a 12-Lead EKG is used, then all walls and function of the heart will be recorded.
What does a large p wave on an ecg represent?
A large P wave on an ECG typically indicates an abnormality in the electrical activity of the atria of the heart. This could be due to conditions such as atrial enlargement, atrial fibrillation, or other atrial arrhythmias. Further evaluation by a healthcare provider may be needed to determine the underlying cause.
What is the full form of ecg scan?
ECG stands for ElectroCardioGram
When does a person suffers from ECG?
Never. An ECG is a test, not an illness or disease.
An ECG provides imformation about what?
An ECG provides information about the wearer of the ECG's heartrate and rhythm of the heart. It provides information about wether it is normal or abnormal.
The portion of the ECG that corresponds to atrial depolarization is the?
P wave corresponds to atrial depolarization in an ECG.
