Exam questionKROK 2Medicine ยท 2020
A 16-year-old boy developed dizziness. His heart rate is 35/min. blood pressure is 85/45 mm Hg. Heart borders are not enlarged. Heart sounds are loud and clear ECG shows P waves disconnected from QRS complexes, dissociation and different rhythm of atria and ventricles is accompanied by varying location of P wave in relation to QRST complex. This presentation is the most characteristic of the following disease:
Answer options
- Atrioventricular block (II degree)
- Extrasystole
- Complete atrioventricular block (III degree)
- Sinus bradycardia
- Atrioventricular dissociation
Correct answer
Complete atrioventricular block (III degree)
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