Presentation
History of heart failure. Chest pain and breathlessness. ?pulmonary edema.
Patient Data
Age: 80 years
Gender: Male
From the case:
Biventricular pacemaker
Frontal

Cardiomegaly with biventricular pacemaker in situ. Mild interstitial edema, but no airspace opacification or pleural effusion.
Case Discussion
A biventricular pacemaker with its three wires in appropriate positions:
- right ventricle
- right atrium
- coronary sinus pacing the left ventricle