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| [[Image:KJcasus3.jpg|thumb| The ECG]] | | {{Case| |
| * Following the 7+2 steps:
| | |previouspage= Case 1 |
| **Rhythm
| | |previousname= Case 1 |
| ***'''This is a regular rhythm and every QRS complex is preceded by a p wave. The p wave is positive in II,III, and AVF and thus originates from the sinus node. Conclusion: sinus rhythm.'''
| | |nextpage= Case 3 |
| **Hartfrequency
| | |nextname= Case 3}} |
| ***'''Use the 'count the squares' method (a bit less than 3 large squares ~> 300-150-100), thus about 110 bpm.'''
| | [[Image:KJcasus3.jpg|left|thumb|700px| The ECG]] |
| **Conduction (PQ,QRS,QT)
| | {{clr}} |
| ***'''PQ-interval=0.16sec (4 small squares), QRS duration=0.10sec, QT interval=320ms'''
| | Try to interprete this ECG using the 7+2 step method |
| **Hartaxis
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| ***'''Positive in I, II, III, and AVF. Thus a normal heart axis.'''
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| **P wave morphology
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| ***'''The p wave is rather large in II, but does not fulfill the criteria for right atrial dilatation.'''
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| **QRS morphology
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| ***'''No pathologic Q waves, RsR pattern in V3, but the QRS-duration < 0.12 seconds thus no bundle branch block is present. No left ventricular hypertrofy: S in V1 + R in V5 < 35mm.'''
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| **ST morphology
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| ***'''ST depressiion in II,III, and AVF and also in V5-V6. ST-elevation in AVL and V1.'''
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| **Compare with the old ECG (not available, so skip this step)
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| **Conclusion?
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| '''Acuut Anteroseptal Myocardial Infarction'''
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| {{clr}}
| | [[Answer Case 2|Answer]] |
