This video demonstrates a simple, step-by-step process, for interpreting a Sinus Rhythm from an ECG (EKG). Simple graphics and animations help to illustrate and explain the process.
-STEP ONE: WHAT'S THE RATE?
Most easily calculated by counting the number of 'QRS complexes within a 30 square length (large squares) of the rhythm strip.
-STEP TWO: IS THE RHYTHM REGULAR?
Are the 'P waves' and 'QRS complexs' evenly spaced along the rhythm strip?
-STEP THREE: IS THERE A 'P-WAVE' FOR EVERY 'QRS COMPLEX'?
Working from left to right (like a book) along the ECG. Also, is there a 'QRS complex' for every 'p-wave'?
-STEP FOUR: WHAT'S THE 'P-R INTERVAL'?
3-5 small squares from the beginning of the 'p-wave' to the start of the 'QRS complex' are considered normal.
-STEP FIVE: IS THE 'QRS COMPLEX' WIDE OR NARROW? A QRS complex 3 small squares in length or less is considered narrow (and normal). Greater than 3 small squares are considered wide.
References
The book I used most when researching these videos is 'the ECG Workbook' by Rowlands and Sargent (2019) [ Ссылка ] (amazon.co.uk link)
TIMESTAMPS
00:00 What makes a 'Normal Sinus'
00:20 recognizing the P, QRS, and T wave on an ECG
00:59 Calculating the rate on an ECG
03:10 Defining a regular rhythm on an ECG
04:04 P for every QRS (QRS for every P)?
04:49 Measuring the P-R interval on an ECG
06:08 Measuring the QRS complex on an ECG
07:49 Putting it all together
08:14 Outro
Want to learn more about ECGs and Heart Rhythms? See the playlist for more! [ Ссылка ]
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