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82.
Temporary cardiac pacing should be considered in the case of:
1) symptomatic bradycardia refractory to anticholinergic agents;
2) bradycardia in Wolff-Parkinson-White syndrome;
3) symptomatic second-degree atrioventricular block of type 2;
4) symptomatic second-degree atrioventricular block of type 1;
5) asystole with the P wave present on the ECG;
6) third-degree atrioventricular block.
The correct answer is: