Difference between revisions of "ECG-ALGORITHM"

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[[Summary Article|<h5>'''SUMMARY ARTICLE'''</h5>]]
===== [[Summary Article|'''SUMMARY''']] =====
<i>RATE</i>
<br/>1. ASSESS RATE: 300/(large squares) interval in mm. Bradycardia if HR < 60/min; tachycardia if HR > 100/min. 
<br/>
<br/>
<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) &amp; 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-b85645b70154480c5df1ba6fe935c0cd1363d585.jpg]]<br/></div>
<br/><i>RYTHM</i>
 
<br/>
<br/>2. ASSESS RYTHM: RR intervals (1 small square variation is normal) & check that a P precedes a QRS complex. 
<br/>
<br/><i>INTERVALS</i>
<br/>3. EXAMINE PR INTERVAL: normal 120-200ms, prolonged if heart block present. 
<br/>
<br/>4. EXAMINE QRS INTERVAL: normal < 100ms. Prolonged in BBB, WPW, ventricular pacemaker, tricyclics.
<br/>
<br/>5. EXAMINE QT INTERVAL: 340-470 ms. Prolonged in tricyclic overdose, hypo-Ca/Mg/K, starvation, hypothermia, quinidine, sotalol, amiodarone use. 
<br/>
<br/><i>WAVEFORMS</i>
<br/>6. INTERPRET WAVEFORM.
<br/>
<br/>7. ASSESS ST-SEGMENT: elevated in ACS, pericarditis, Prinzmetal angina and others. 
<br/>
<br/><i>OTHERS</i>
<br/>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. 
<br/>
<br/>9. ASSESS HYPERTROPHY: 
<br/>[[Image:paste-37711181b9927f4c0aeecd6996699393167c7721.jpg]]
<br/>
<br/>10. ASSESS BRANCH BLOCK: LBBB (QRS 120-180 ms), RBBB (QRS > 120 ms)
<br/>[[Image:paste-b85645b70154480c5df1ba6fe935c0cd1363d585.jpg]]


[[Category:Electrocardiogram]]
[[Category:Electrocardiogram]]
[[Category:Advanced Life Support]]
[[Category:Advanced Life Support]]

Revision as of 08:39, 30 December 2022

SUMMARY

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)
Paste-b85645b70154480c5df1ba6fe935c0cd1363d585.jpg