The angle shown in the image is termed Cobb's angle. It is a measurement used mainly in the field of radiology and orthopedics to assess the degree of spinal deformities, primarily scoliosis. Here's a brief overview of the different angles used in anatomy and their primary applications:
As per the provided options, the relevant angle depicted is Cobb's angle, fitting the description related to spinal evaluation.
A patient presents with no pulse, and the ECG shows the following rhythm. What is the next appropriate step?