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
By convention, the term normal sinus rhythm is taken to imply that not only are the P waves (reflecting sinoatrial node activity) normal in morphology, but that all other ECG measurements are also normal.inus rhythm refers to any cardiac rhythm where depolarisation of the cardiac muscle begins at the sinus node.