Difference between revisions of "ECG-ALGORITHM"
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<div><div><font color=#ff086c><i>RATE</i></font></div>1. ASSESS RATE: 300/(large squares) interval in mm. Bradycardia if HR < 60/min; tachycardia if HR > 100/min. <div><br></div><div><font color=#ff086c><i>RYTHM</i></font><br></div><div>2. ASSESS RYTHM: RR intervals (1 small square variation is normal) & check that a P precedes a QRS complex. </div><div><br></div><div><font color=#ff086c><i>INTERVALS</i></font></div><div><div>3. EXAMINE PR INTERVAL: normal 120-200ms, prolonged if heart block present. </div><div><br></div><div>4. EXAMINE QRS INTERVAL: normal < 100ms. Prolonged in BBB, WPW, ventricular pacemaker, tricyclics.</div><div><br></div><div>5. EXAMINE QT INTERVAL: 340-470 ms. Prolonged in tricyclic overdose, hypo-Ca/Mg/K, starvation, hypothermia, quinidine, sotalol, amiodarone use. </div></div><div><br></div><div><font color=#ff086c><i>WAVEFORMS</i></font></div><div>6. INTERPRET WAVEFORM.<br></div><div><br></div><div>7. ASSESS ST-SEGMENT: elevated in ACS, pericarditis, Prinzmetal angina and others. <br></div><div><br></div><div><font color=#ff086c><i>OTHERS</i></font></div><div>8. ASSESS AXIS: Normal is -30 to +100. +I +aVF: normal; -I +aVF: RAD; +I -aVF: LAD; -I -aVF: RAD/LAD. LAD is a marker for CAD, RAD is normal for children, young adults; RVH in older adults. </div><div><br></div><div>9. ASSESS HYPERTROPHY: </div><div>[[Image:paste-37711181b9927f4c0aeecd6996699393167c7721.jpg]]<br></div><div><br></div><div>10. ASSESS BRANCH BLOCK: LBBB (QRS 120-180 ms), RBBB (QRS > 120 ms)</div><div><img src=paste-a6e7b426e8b2dccc057c662447a7fb851c21abfd.jpg><br></div> | <div><div><font color=#ff086c><i>RATE</i></font></div>1. ASSESS RATE: 300/(large squares) interval in mm. Bradycardia if HR < 60/min; tachycardia if HR > 100/min. <div><br></div><div><font color=#ff086c><i>RYTHM</i></font><br></div><div>2. ASSESS RYTHM: RR intervals (1 small square variation is normal) & check that a P precedes a QRS complex. </div><div><br></div><div><font color=#ff086c><i>INTERVALS</i></font></div><div><div>3. EXAMINE PR INTERVAL: normal 120-200ms, prolonged if heart block present. </div><div><br></div><div>4. EXAMINE QRS INTERVAL: normal < 100ms. Prolonged in BBB, WPW, ventricular pacemaker, tricyclics.</div><div><br></div><div>5. EXAMINE QT INTERVAL: 340-470 ms. Prolonged in tricyclic overdose, hypo-Ca/Mg/K, starvation, hypothermia, quinidine, sotalol, amiodarone use. </div></div><div><br></div><div><font color=#ff086c><i>WAVEFORMS</i></font></div><div>6. INTERPRET WAVEFORM.<br></div><div><br></div><div>7. ASSESS ST-SEGMENT: elevated in ACS, pericarditis, Prinzmetal angina and others. <br></div><div><br></div><div><font color=#ff086c><i>OTHERS</i></font></div><div>8. ASSESS AXIS: Normal is -30 to +100. +I +aVF: normal; -I +aVF: RAD; +I -aVF: LAD; -I -aVF: RAD/LAD. LAD is a marker for CAD, RAD is normal for children, young adults; RVH in older adults. </div><div><br></div><div>9. ASSESS HYPERTROPHY: </div><div>[[Image:paste-37711181b9927f4c0aeecd6996699393167c7721.jpg]]<br></div><div><br></div><div>10. ASSESS BRANCH BLOCK: LBBB (QRS 120-180 ms), RBBB (QRS > 120 ms)</div><div><img src=paste-a6e7b426e8b2dccc057c662447a7fb851c21abfd.jpg><br></div> | ||
==Reference(s)== | |||
Gale, M., Grantham, H., Morley, P. and Parr, M. (2016). Advanced Life Support Level 1: 3rd Australian Edition. Australian Resuscitation Council. | |||
American College Of Surgeons. Committee On Trauma (2012). ATLS : student course manual. Chicago, Ill.: American College Of Surgeons. | |||
[[Category:Electrocardiogram]] | [[Category:Electrocardiogram]] | ||
[[Category:Advanced Life Support]] | [[Category:Advanced Life Support]] | ||
Revision as of 01:21, 17 December 2022
RATE
1. ASSESS RATE: 300/(large squares) interval in mm. Bradycardia if HR < 60/min; tachycardia if HR > 100/min. RYTHM
2. ASSESS RYTHM: RR intervals (1 small square variation is normal) & check that a P precedes a QRS complex.
INTERVALS
3. EXAMINE PR INTERVAL: normal 120-200ms, prolonged if heart block present.
4. EXAMINE QRS INTERVAL: normal < 100ms. Prolonged in BBB, WPW, ventricular pacemaker, tricyclics.
5. EXAMINE QT INTERVAL: 340-470 ms. Prolonged in tricyclic overdose, hypo-Ca/Mg/K, starvation, hypothermia, quinidine, sotalol, amiodarone use.
WAVEFORMS
6. INTERPRET WAVEFORM.
7. ASSESS ST-SEGMENT: elevated in ACS, pericarditis, Prinzmetal angina and others.
OTHERS
8. ASSESS AXIS: Normal is -30 to +100. +I +aVF: normal; -I +aVF: RAD; +I -aVF: LAD; -I -aVF: RAD/LAD. LAD is a marker for CAD, RAD is normal for children, young adults; RVH in older adults.
9. ASSESS HYPERTROPHY:
10. ASSESS BRANCH BLOCK: LBBB (QRS 120-180 ms), RBBB (QRS > 120 ms)
<img src=paste-a6e7b426e8b2dccc057c662447a7fb851c21abfd.jpg>
Reference(s)
Gale, M., Grantham, H., Morley, P. and Parr, M. (2016). Advanced Life Support Level 1: 3rd Australian Edition. Australian Resuscitation Council. American College Of Surgeons. Committee On Trauma (2012). ATLS : student course manual. Chicago, Ill.: American College Of Surgeons.
