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mLine 1:
Line 1: + + + + + − * Following the 7+2 steps: − **Rhythm − ***'''The ECG shows a regular rhythm with normal P waves (positive in I, III and AVF, negative in AVR), followed by QRS complexes. Sinusrhythm''' − **Heart rate − ***'''78 bpm''' − **Conduction (PQ,QRS,QT) − ***'''PQ: 180ms QRS: 160ms QT: 370ms QTc: 420ms − **Heartaxis − ***'''Negative in III, AVF and AVR, positive QRS complexes in I, II and AVL: horizontal heart axis''' − **P wave morphology − ***'''The P waves have normal morphology.''' − **QRS morphology − ***'''Wide QRS complexes with [[[LBBB|left bundle branch block]]] pattern.''' − **ST morphology − ***'''ST elevation in V1-V3, AVR. ST depression in I, II, III, AVF, V4-6. The Sgarbossa criteria for ischemia in LBBB are not met (nog concordant ST deviation, no ST depression V1-V3, nog discordant ST elevation > 5 mm).''' − **Compare with the old ECG (not available, so skip this step) − **Conclusion? − − − '''Sinusrhythm with left bundle branch block, comparison with an old ECG is mandatory to evaluate whether the LBBB is new (a sign of [[myocardial infarction]]) or old.''' − + +
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{{Case|
|previouspage= Case 2
|previousname= Case 2
|nextpage= Case 4
|nextname= Case 4}}
[[Image:KJcasus9.jpg|thumb| The ECG]]
[[Image:KJcasus9.jpg|thumb| The ECG]]
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Try to interprete this ECG using the 7+2 step method
[[Answer Case 3|Answer]]