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
What is the normal heart rhythm? It is called sinus rhythm, because it originates in the sinus (or sinoatrial) node, the heart's natural pacemaker, and it then spreads through the heart's four pumping chambers, first the two (right and left) atria, then through the atrioventricular node and into the two (right and left) ventricles.