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Respiratory Part 1

Diagnostic Tests and Assessments
by

Lori Hill

on 15 October 2012

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Transcript of Respiratory Part 1

Respiratory Diagnostic Tests and Assessments
Pulse Oximetry
Radiological Studies
Pulmonary Function Test
Bronchoscopy
Thoracentesis
Lab
pH 7.35-7.45
PCO2 35-45
HCO3 22-26
PO2 80-100
Chest X-Ray-Used to visualize structures, fluid, and air in the thoracic cavity
No nursing prep usually required
CT-cross-sectional view of tissue/identifies lesions
Check allergies to iodine or seafood if test with contrast
MRI- similar to CT/detects subtle tissue changes
Remove all metal sources
Some patients may be ineligible
Pulmonary Angiogram-Contrast dye injected through central venous catheter to identify circulation abnormalities
Assess dye allergy
Ventilation Perfusion Scan-radioactive isotope injected to identify areas of ventilation and perfusion within the lungs
Radiological Studies
Monitors arterial or venous oxygen saturation
Uses a light spectroscopy probe attached to local tissue (finger, earlobe, nose)
Accuracy may be influenced by acrylic nails, dark skin color, diminshed peripheral perfusion, bright light environment
>95% good
Pulse Oximetry
Introduction of a needle into the thoracic cavity for diagnostics or therapeutic reasons
May be performed at bedside by the physician
Kit needed from central supply
Some done in radiology (CT or ultrasound guided)
Patient positioned leaning forward over the bedside table if possible
Monitor for bleeding and infection
VS q 15 min until stable
CXR post procedure
Thoracentesis
Uses a fiberoptic scope to visualize the bronchi and branches
Obtains tissues or specimens
Can be used to clear passages (foreign bodies)
NPO 6-12 hrs before
Informed consent
Administer analgesia/sedation as ordered
Local/topical anesthia may be applied to nasal/pharnygeal areas
Post procedure
Maintain airway
Assess for return of gag reflex, symptoms of laryngeal edema (hoarseness, stridor, dyspnea, vital signs, and chest pain)
Bronchoscopy
Reading ABGs
http://www.rnceus.com/course_frame.asp?exam_id=18&directory=abgs
Lab-Review
The nurse is caring for a patient post bronchoscopy. Which is the priority concern?
A. The patient is able to verbalize symptoms to report to the physician.
B. The patient demonstrates an intact gag reflex.
C. The patient remains afebrile.
D. The patient reports being thirsty and asks for oral fluids.
Sample ?
The client is scheduled to have a CT scan with contrast. Which is the appropriate action by the nurse?
A. Maintain NPO status 6-12 hours prior to the procedure.
B. Administer sedation drug as ordered.
C. Check allergies to seafood and iodine.
D. Assist the patient to lean over the bedside table to prepare for the procedure.
Sample ?
Full transcript