The sum of any set of consecutive odd numbers starting from 1 is a square, and the quantity that is squared is the count of odd numbers in the sum. The latter is easily seen to be a count of the form 1 + 2 + 3 + 4 + ... + n. Visual demonstration that the square of a triangular number equals a sum of cubes.
shock liver A colloquial term for injury to the liver resulting from insufficient blood flow, e.g., in patients who have suffered an episode of severe hypotension. A hallmark of this condition is a sudden and marked elevation in liver enzyme levels, such as alanine aminotransferase (ALT).
Shock is a life-threatening medical condition of low blood perfusion to tissues resulting in cellular injury and inadequate tissue function. The typical signs of shock are low blood pressure, rapid heart rate, signs of poor end-organ perfusion, and weak pulses. The shock index, defined as heart rate divided by systolic blood pressure, is an accurate diagnostic measure that is more useful than hypotension and tachycardia in isolation. Under normal conditions, a number between 0.5 and 0.8 is typic