PAGE FROM A LOST NOTEBOOK It wasn’t a comic rhyme for someone’s birthday, but a serious poem, my first… ………. …two major classes of cardiac fibrillation, in praise of my brother—then young and strong—sitting hunkered, ………. atrial and ventricular— over a guitar, beside the campfire. ………. the rapid, irregular, unsynchronized contraction of muscle fibers— “Jumbled […]