Which structure fires first to begin the electrical rhythm of the heart?

All of the following are accessory muscle of respiration EXCEPT:

A PTA completes a fitness screening on a 34 year old man prior to starting an aerobic exercise program.  The plan of care is to exercise the patient at 60% of maximal heart rate.  Which value is most representative of the desired heart rate?

This is a pulmonary artery procedure used to measure arterial pressure and blood gas values as blood flows through the right side of the heart.

An 88 y/o female is admitted to ICU for treatment of pneumonia.  Her past medical history is significant for a myocardial infarction 5 years ago.  She is referred to PT for ROM, bed mobility and pre-gait activities on day 3 when the PT did the eval.  On day 4 the PTA reviews the record and finds the following data: Cholesterol at 220 mg/dl, RR is 22, HR is 92, O2 Saturation at 88%, BP is 142/89, Wt. is 130 lbs. Blood PH is 7.4, and EKG shows a normal rhythm.  Explain the significance of EACH of the 8  values that you have reviewed.  (4 points)

Angi/o

With the condition described in the above question, name the procedure used by a PT/PTA that uses gravity to help to remove lung secretions.

The purpose of diaphragmatic breathing exercises is best described as a method

Pursed lip breathing is a good breathing technique for a patient with 

This test is used by PT’s/PTA’s to determine a functional exercise capacity for pulmonary patients