SDSs are required by the:

You respond to a 75-year-old female who is complaining of epigastric pain that feels like heartburn and radiates to the right shoulder. Her vital signs are stable and she has a previous history of myocardial infarction. She has prescription nitroglycerine tablets. An ALS unit is en route. After performing a physical examination and applying oxygen by nasal cannula, you should:

A) cancel the ALS unit: this is just gallstones and BLS can transport. B) contact medical control regarding the administration of the patient's nitroglycerin. C) transport the patient in the Trendelenburg position for shock. D) apply the AED and prepare for imminent cardiac arrest from a myocardial infarction.

How is the correct point of entry achieved when using the paralleling technique?

What will be an ideal response?