What clinical finding indicated that Bridgett Allen was experiencing a murmur during heart examination?

The presence of a murmur during a heart examination is primarily identified through the process of auscultation, where a healthcare provider listens to the heart sounds using a stethoscope. Abnormal heart sounds, such as murmurs, are indicative of abnormal blood flow through the heart or its valves. This may occur due to various conditions, such as valve stenosis, regurgitation, or other structural heart defects.

In Bridgett Allen's case, the auscultation revealing abnormal heart sounds clearly points to the presence of a murmur. Murmurs can be characterized by their timing, shape, and location, and can help in diagnosing underlying cardiac issues. Therefore, this finding is directly related to the clinical examination of Bridgett's heart.

Other options like shortness of breath and increased work of breathing could suggest cardiac or respiratory issues but do not specifically indicate the presence of a murmur. Similarly, a high heart rate might be indicative of various conditions, including fever or anxiety, but does not directly demonstrate abnormal sounds associated with a murmur. The correct identification of a murmur during examination is a direct result of the abnormal heart sounds detected through auscultation.