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
Ventricular rhythm at 60 bpm. Multiple sinus capture beats. Competing sinus and idioventricular pacemakers are present. There is underlying sinus arrhythmia, with sinus capture occurring when the sinus rate exceeds the idioventricular rate. This patient was a healthy 36-year old marathon runner with presumably very high resting vagal tone causing sinus bradycardia and sinus arrhythmia.