Difference between revisions of "ECG-ALGORITHM"

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<div><font color="#ff086c"><i>RATE</i></font></div>1. ASSESS RATE: 300/(large squares) interval in mm. Bradycardia if HR &lt; 60/min; tachycardia if HR &gt; 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 &lt; 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 &gt; 120 ms)</div><div>[[Image: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 &lt; 60/min; tachycardia if HR &gt; 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 &lt; 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 &gt; 120 ms)</div><div><img src=paste-a6e7b426e8b2dccc057c662447a7fb851c21abfd.jpg><br></div>




[[Category:Ecg]]
[[Category:Ecg]]
[[Category:Advanced Life Support]]
[[Category:Advanced Life Support]]

Revision as of 11:50, 15 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:
Paste-37711181b9927f4c0aeecd6996699393167c7721.jpg

10. ASSESS BRANCH BLOCK: LBBB (QRS 120-180 ms), RBBB (QRS > 120 ms)
<img src=paste-a6e7b426e8b2dccc057c662447a7fb851c21abfd.jpg>