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NURS 425- Respiratory test questions and answerrs.
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NURS 425- Respiratory test questions and answerrs.
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NURS 425- Respiratory testquestions and answerrs
Pleurisy
- inflammation of pleura
Disruption to pleura Risk Factors
- trauma
- smoking
- Marfan Syndrome
- barotrauma
- chronic lung disease
Pleural Disruption CM
- obvious
- tracheal deviation
Pleural Disruption diagnostics
- chest xray
- thoracentesis
- CT if stable
Pleural Disruption tx
- occlusive covering over open wound
- needle decompression and chest tube (tension pneumothorax)
- thoracentesis
- O2
- VATS
Normal V/Q
- pulmonary perfusion to ventilation ratio is close to 1
Low V/Q mismatch
- impaired ventilation
- bronchospasm, secretions, pain, atelectasis
Shunt
, - very low VQ
- blocked ventilation --> perfusion of deoxygenated blood
- needs mechanical ventilation
High V/Q mismatch
- impaired perfusion
- dead space
- PE
Restrictive lung disease
- alveoli inflate poorly
- stiff lungs
- neuromuscular disease, trauma, obesity, scoliosis, fibrosis
Obstructive lung disease
- alveoli expand but deflate slowly or not at all
- air trapping
- asthma, COPD
Mechanical Ventilation
- takes over work of breathing
- positive pressure forces air into lungs
Mechanical Ventilation indications
- respiratory failure
- damaged airway
- hypoxemia after non-invasive methods
- allow sedation
Mechanical Ventilation nursing care
- suction
- reposition ET tube Q24hrs
- monitor closely skin breakdown
- q4 oral care
- re-intubation equipment at bedside
- soft wrist restraints
- take out dentures
Assessing vent placement
- lung sounds
- chest expansion
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