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Abstract   Cardiac resynchronization therapy (CRT) using coronary sinus (CS) leads for biventricular stimulation is an established method for the therapy of congestive heart failure (CHF) in the case of inter- or intraventricular conduction delays. There are some patients having two separate devices: an ICD and a biventricular pacemaker. This case report describes an unusual interaction of these systems: an inappropriate VVI defibrillator shock during left ventricular threshold measurement in a biventricular pacemaker implanted on the other side. [ABSTRACT FROM AUTHOR]

Mycoplasma pneumoniae is a common respiratory pathogen in community acquired pneumonia. In severe cases extrapulmonary manifestations of the disease may be prominent. Proof of infection is found, though usually delayed, through serologic methods. A calculated therapy of community acquired pneumonia, especially in younger patients with interstitial infiltrates, should therefore include effective treatment for Mycoplasma pneumoniae. Macrolide antibiotics are the most commonly used antibiotics in the treatment of mycoplasma infection, alternatives include ketolides, quinolones and tetracyclines.