The dynamics of pure parasystole, a cardiac arrhythmia in which two competing pacemakers
fire independently, have recently been fully characterized. This model is now extended in …

In order to increase the accuracy and efficiency of studying perioperative dysrhythmias, 52
patients undergoing cardiac surgery were fitted preoperatively with a Holter monitor adapted …

Multidose potassium cardioplegia is a common method of myocardial preservation. Although
initial potassium arrest conserves high-energy phosphates, there is conflicting evidence …

Ventricular parasystole is a cardiac arrhythmia arising from competition between the normal
sinus rhythm and an abnormal ectopic pacemaker located in the ventricles. Although this …

Artificial pacing of the heart has evolved rapidly over the last 20 years; the physician can now
implant "physiologic" Page 1 MICHAEL D. ROSENGARTEN, * B ENG, MD, FRCP [C] RAY …

An 84-year-old man was admitted to hospital for evaluation and treatment of urinary tract
problems. His blood pressure was 180/110 mm Hg, his pulse rate was 76 beats/min, and the …

… electroniques intra-corporels dont le nombre ne cesse d'augmenter et qui couitent cher. L'…
Now, starting in January 1986, we'd like to combine the two and devote an entire volume of …

Propranolol and nadolol were used in two groups of patients having ventricular arrhythmias.
The two groups were characterised by differences in sympathetic drive. The 10 non-…

… is an unbiased estimator of ˆ T p D/m the TMRCA (in generations), where is the average
D squared difference in repeat length between each sampled NRY and the root haplotype, …

The relative roles of natural selection and accentuated genetic drift as explanations for the
high frequency of more than 20 Ashkenazi Jewish disease alleles remain controversial. To …