While yellow stool can be caused by sweet potatoes, carrots, and foods with yellow food coloring, it can also indicate excess fat in the stool, which can be caused by a malabsorption disorder like celiac disease, lactose intolerance, or a disorder that prevents the pancreas from providing enzymes that digest fat.
Sinus arrhythmia irregular sinus arrythmia that originates in the SA node, alternating periods of slow and rapid HR, associated with inspiration. - Normal PQRST - Inconsistent R-R intervals - normal in dogs and horses
The term normal sinus rhythm (NSR) is sometimes used to denote a specific sinus rhythm where all other measurements on the ECG also fall within designated normal limits, giving rise to the characteristic appearance of the ECG when the electrical conduction system of the heart is functioning normally.inus rhythm refers to any cardiac rhythm where depolarisation of the cardiac muscle begins at the sinus node.