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Respiratory
5th Semester - Mr. Keene
123
Nursing
Undergraduate 2
06/08/2013

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Cards

Term
What are the normal lab values of ABGs?
ph, PaO2, SaO2, PaCO2, HCO2
Definition
ph: 7.35-7.45
PaO2: 80-100
SaO2: 95%+
PaCO2: 32-48
HCO2: 22-26
Term
Who assesses gag reflex for pt with trach?
Definition
speech therapists
Term
What would the RN cover the stoma with after the MD removes the trach?
Definition
sterile dressing
Term
What must the RN teach the pt with a trach stoma to do when coughing, speaking, or swallowing?
Definition
splint the stoma
Term
What is the earliest that trach ties can be changed?
Definition
not before 24 hrs
Term
What important piece of equipment must be available IN THE ROOM in case a trach is accidentally removed?
Definition
the obturator
Term
What are the nursing actions in the event a pt's trach comes out?
Definition
use obturator to reinsert trach, assess pt, place in semi Fowlers, page MD
Term
What should the RN do if a pt's trach comes out, the trach can't be reinserted, and the pt is in distress?
Definition
4X4 sterile gauze to stoma and manually bag the pt
Term
What is the purpose of a chest tube at the superior pleural space?
Definition
pneumothorax
Term
What is the purpose of a chest tube at the inferior pleural space?
Definition
fluid, blood
Term
What type of dressing is placed around the chest tube?
Definition
vasoline gauze and covered with a sterile dressing
Term
The RN should call the MD if drainage from a chest tube is greater than or equal to what in mL/hr?
Definition
100 mL/hr
Term
What indicates an air leak in the chest tube drainage system?
Definition
continuous bubbles in the water seal
Term
How would a specimen be obtained from the chest tube?
Definition
by making a loop in the line and aspirating contents using a 20g or smaller needle (22g, 24g) or also from a port on the line
Term
The numbers on the water seal of the chest tube drainage system indicate what?
Definition
the extent of an air leak; 1 being the smallest and 5 being the largest
Term
How is the volume of water in the water seal chamber adjusted?
Definition
sterile water can be removed or injected with a 20g needle via the back of the chest tube drainage system
Term
What is tidaling?
Definition
raising and lowering of the water in the water seal chamber with breathing; raises with inhalation and lowers with expiration
Term
What is the protocol for chest tube suction and clamping pertaining to removal of the tube?
Definition
d/c suction 24 hrs prior to removal and clamp 4-6 hrs prior to removal
(this is dependent upon institution and MD preferences)
Term
What size chest tube would be used for a pneumothorax?
Definition
14F-22F (the smaller the number the smaller the diameter)
Term
What size chest tube would be used for fluid?
Definition
28F-40F (the larger the number the larger the diameter)
Term
A chest tube can be inserted in the OR, ER, or pt room, how is the pt positioned if the tube is to be inserted in the pt room?
Definition
either sitting on the edge of the bed with arms resting on a bed side table or, most likely, lying supine with the midaxillary area of the affected side exposed
Term
What is the flutter or Heimlich valve used for?
Definition
air evacuation from the pleural space, it is a ONE WAY valve with a tube and small pouch that can be worn after leaving the hospital and worn under clothes
Term
What is the purpose of the first chamber in the chest tube suction device?
Definition
This is the collection chamber; air or fluid evacuated from the pleural space enters here. Fluid stays here while air, from a pneumothorax, enters the water seal chamber
Term
What is the purpose of the second chamber of the chest tube suction device?
Definition
this is the water seal chamber and acts as a one way valve for air evacuated from the pleural space
Term
How much water should be kept in the water seal chamber?
Definition
the level should be kept at 2 cm
Term
Why is clamping of the chest tube contraindicated when moving a pt or if accidental disconnection occurs?
Definition
tension pneumothorax is of greater concern than a small amount of air entering the pleural space
Term
What is the one reason for clamping a chest tube?
Definition
to assess if the pt can have the chest tube removed; requires a MD order
Term
What is the initial action by the RN if the chest tube becomes disconnected from the drainage system?
Definition
Place the end of the tube in 2 cm of sterile water to reestablish a water seal
Term
What can occur if greater than 1L of fluid is removed rapidly by the chest tube?
Definition
reexpansion pulmonary edema
Term
During the 24 hrs prior to removal of the chest tube, how much suction will be applied?
Definition
none, typically will be left to drain to gravity
Term
What is the pt's responsibility while the chest tube is being removed?
Definition
the pt will either hold his or her breath or bear down (Valsalva manuever)
Term
What is the chest tube site covered with immediately following removal?
Definition
immediately covered with an airtight petroleum dressing and covered with sterile gauze
Term
How long does it take for the chest tube site (pleura and wound) to heal?
Definition
several days
Term
Why would a chest x-ray be used following a chest tube removal?
Definition
to assess for a pneumothorax
Term
What condition should always be suspected following blunt force trauma of the chest?
Definition
pneumothorax
Term
What is emergency treatment of an open pneumothorax?
Definition
covering the wound with an occlusive dressing taped on THREE sides
-during inspiration negative pressure is created in the chest and pulls the dressing preventing air from entering
-during expiration pressure rises in the pleural space and air is pushed out
Term
What are the S&S of a tension pneumothorax?
Definition
dyspnea, chest pain radiating to the shoulder, tracheal deviation, decreased or absent breath sounds on the affected side, neck vein distention, cyanosis
Term
What are the S&S of a pneumothorax?
Definition
dyspnea, decreased movement of involved chest wall, diminished or absent breath sounds on affected side, hyperresonance to percussion
Term
What are the S&S of hemothorax?
Definition
dyspnea, diminished breath sounds on affected side, dullness to percussion, decreased hemoglobin
Term
What are the S&S of flail chest?
Definition
paradoxic movement of the chest wall, resp distress
Term
What are S&S of cardiac tamponade?
Definition
muffled/distant heart sounds, hypotension, neck vein distension, increased central venous pressure
Term
What is the emergency management of flail chest?
Definition
supplemental O2, stabilize flail segment with positive pressure ventilation (BiPAP, CPAP)or intubation and mechanical ventilation, treat associated injuries
Term
What may be the only symptoms associated with a small pneumothorax?
Definition
mild tachycardia and dyspnea
Term
What is a pleural effusion?
Definition
an abnormal collection of fluid in in the pleural space
Term
What are the 5 possible causes of pleural effusion?
Definition
1. increased production of fluid d/t decreased oncotic pressure
2. increased production of fluid d/t increased capillary permeability
3. bleeding into the space
4. decreased lymphatic clearance of pleural fluid
5. infection
Term
What are the 2 types of pleural effusion?
Definition
transudative and exudative
Term
When do transudative pleural effusions occur?
Definition
primarily in noninflammatory conditions and is an accumulation of protein-poor, cell-poor fluid
Term
What causes transudative pleural effusions?
Definition
increased hydrostatic pressure found in heart failure or decreased oncotic pressure found in chronic kidney or liver disease
-in these situations fluid movement is facilitated out of the capillaries and into the pleural space
Term
What causes exudative pleural effusions?
Definition
increased permmiability of capillaries characteristic of the inflammatory reaction.
-can also be secondary to malignancies, infections, necrosis, pancreatitis, or esophageal perforation
Term
What causes empyema?
Definition
pneumonia, TB, lung abscess, and infection
Term
What is trapped lung a result of? and describe
Definition
empyema;
-the lung becomes fibrous d/t an encasing peel or rind causing severe restriction of movement
Term
The common S&S of pleural effusion are? the S&S of empyema?
Definition
progressive dyspnea and decreased movement of the chest wall
-empyema is the same as pleural effusion plus fever, night sweats, cough, and weight loss
Term
What can happen if more than 1L of fluid is removed during a single thoracentesis?
Definition
hypotension, hypoxemia, or pulmonary edema
Term
Why is a follow chest x-ray needed following a thoracentesis?
Definition
to detect a possible pneumothorax caused by accidental perforation of the visceral pleura
Term
What is the appropriate treatment for pleural effusion caused by heart failure?
Definition
treating the HF with diuretics and sodium restrictions
Term
Why are malignant pleural effusions harder to treat than those brought on by heart failure?
Definition
they are frequently recurrent and rapidly accumulate following thoracentesis
Term
What is a thoracentesis used to treat?
Definition
pleural effusion
Term
What is the purpose of a chemical pleurodesis? What are the two drugs most commonly used?
Definition
-to obliterate the pleural space and prevent reaccumulation of effusion fluid
-Talc (most effective); doxycycline (also works)
Term
Chest tubes are placed following a pleurodesis until fluid drainage is less than what per day?
Definition
150 mL and no air leaks are noted
Term
What is the usual treatment for empyema?
Definition
chest tube drainage and antibiotic treatment for the causative agent
Term
What is pleurisy?
Definition
inflammation of the pleura (typically caused by pneumonia, TB, chest trauma, pulmonary infarctions, and neoplasms
Term
Pleurisy is typically rapid in onset. What are the S&S?
Definition
rapid/shallow breathing, aggravated by inspiration, possibly a friction rub
Term
How is pleurisy treated?
Definition
treat the underlying cause, analgesics, lying on or splinting the affected side may cause relief
Term
What is the most common cause atelectesis?
Definition
obstruction of the alveoli by fluid
-seen in bedridden pts and pts post op abd and thoracic surgery
Term
What normally creates collateral passage of air in instances of atelectasis?
Definition
pores of Kohn
Term
Why nursing interventions are important to prevent atelectasis?
Definition
deep-breathing exercises and coughing
Term
Give one example of low pressure pulmonary edema. One example of high pressure pulmonary edema.
Definition
low pressure: ARDS
high pressure: CHF
Term
What is pulmonary edema?
Definition
abnormal accumulation of fluid in the alveoli and interstitual spaces of the lungs
Term
What is the interstitial edema phase of pulmonary edema?
Definition
the hydrostatic pressure increases or the colloidal oncotic pressure decreases, causing fluid to leave the pulmonary capillaries and enter the interstitial space
Term
What normal body process usually drains away the excess fluid in the interstitial phase of pulmonary edema?
Definition
lymphatics
Term
What stage follows the interstitial phase of pulmonary edema?
Definition
the alveoli phase; during this phase the fluid that has left the capillaries and entered the interstitial space now fills the alveoli
Term
A pulmonary embolism is a blockage of what?
Definition
the pulmonary arteries
Term
What is the most common cause of PE?
Definition
DVT
Term
Where do most lethal PE originate?
Definition
the femoral or iliac veins
Term
What are other possible causes of PE other than DVT?
Definition
fat emboli, air emboli, bacterial vegetations, amniotic fluid, and tumors
Term
What are the most common risk factors for PE?
Definition
immobility, surgery within the last 3 months, stroke, paresis, paralysis, history of DVT, malignancy, obesity in women, heavy cigarette smoking, and HTN
Term
S&S of PE are varied and nonspecific, what are some of these?
Definition
dyspnea, chest pain, hemoptysis, cough, crackles, fever, changes in LOC r/t hypoxemia
-a low PaO2 is also common
Term
What are the CV manifestations with a massive PE?
Definition
tachycardia and ECG will show right heart strain
Term
What three major factors contribute to pulmonary infarction?
Definition
1. occlusion of a pulmonary vessel greater than 2mm in diameter
2. insufficient collateral blood flow
3. preexisting lung disease
Term
What is the most frequently used test to diagnosis PE?
Definition
CT scan with IV contrast
Term
What are some treatments for the pt with PE?
Definition
supplemental O2, turning, coughing, deep breathing, incentive spirometer, tPA or alterplase to dissolve the clot, embolectomy (which is rare and 50% don't survive the surgery)
Term
How is PE prevented?
Definition
DVT prophylaxsis, anticoagulants, filter placed in the inferior vena cava
Term
What is the level of activity recommended for pts with PE?
Definition
bedrest
Term
How long is anticoagulant therapy continued for pts recovering from PE?
Definition
at least 3-6 months; if clotting is a recurrent problem treatment is indefinate
Term
ARDS is what type of Pulmonary Edema, high or low pressure?
Definition
low pressure
Term
What is the most common cause of ARDS?
Definition
sepsis
Term
What type of reaction occurs that exacerbates ARDS?
Definition
an inflammatory response
Term
What are the three phases of ARDS?
Definition
1. injury phase
2. reparative phase
3. fibrotic phase
Term
Which type of immune cell migrates to the lungs eventually leading to a shift in fluid to the alveoli in ARDS?
Definition
neutrophils
Term
How long does the injury phase last?
Definition
1-7 days
Term
What fills the alveolar space damaging them in ARDS?
Definition
interstitial fluid
Term
How is surfactant affected by ARDS?
Definition
the alveoli that produce surfactant are damaged causing surfactant dysfunction and this leads to atelectasis
Term
Why is higher inspiratory pressure needed during ventilator management of ARDS?
Definition
a decrease in lung compliance and fluid filling the alveoli space cause the alveoli to remain closed on inspiration; PEEP is usually used to keep them open
Term
Describe what happens to the RR and TV in the injury phase of ARDS.
Definition
RR increases and TV decreases
Term
When does the reparative phase of ARDS usually begin?
Definition
usually 1-2 weeks after initial injury
Term
What is characteristic of the reparative phase of ARDS?
Definition
the lung becomes fibrous and compliance worsenes, hypoxemia worsens as the alveolar membrane thickens
Term
When does the fibrotic phase of ARDS usually begin?
Definition
2-3 weeks after initial injury
Term
What is the condition of the lung in the fibrotic phase of ARDS?
Definition
the lung is completely remodeled by collagenous and fibrous tissue, there is diffuse scarring and fibrosis
Term
What are the respiratory manifestations of ARDS?
Definition
tachypnea, retractions, and a decrease in lung compliance lung volume and functional residual capacity; possible rhonchi or crackles
Term
What are the nonrespiratory manifestations of ARDS?
Definition
tachycardia, diaphoresis, cyanosis, pallor
Term
How does the body with ARDS respond to an increase in FiO2?
Definition
it doesn't respond, hypoxemia doesn't improve d/t impaired gas exchange
Term
What does the chest xray look like of a pt with ARDS?
Definition
a "white out"
Term
MODS is a fatal complication of ARDS, which organs are usually involved?
Definition
kidneys, liver, and heart
Term
With ARDS what is the goal to keep PaO2 above?
Definition
60 (norm 80-100)
Term
How should supplemental O2 be delivered to the pt recovering from ARDS?
Definition
initially use masks with high flow systems to deliver a higher concentration of O2; simple face mask or nasal cannula are inadequate
Term
At what concentration and for how long of oxygen will lead to oxygen toxicity in the pt with ARDS?
Definition
FiO2 of 60% or greater for 48 hrs or more
Term
What are some adverse effects of PEEP?
Definition
decreased preload, CO, and BP
Term
Aside from Semi-Fowlers what position may pts with ARDS be put in?
Definition
prone
Term
Pts with ARDS require enteral or parenteral feedings to meet their high energy requirements. What specifically added to these may improve clinical outcomes?
Definition
omega-3 fatty acids
Term
How long does it take for lung cancer tumors to reach a size of 1mm (which is the smallest lesion detectable by xray)?
Definition
8-10 years
Term
What are the two primary categories or lung cancer?
Definition
non-small cell lung cancer and small cell lung cancer
Term
What is usually the first reported sign of lung cancer?
Definition
persistent cough that produces sputum
Term
What is the most effective non-invasive technique to diagnose lung cancer?
Definition
CT scan
Term
How does a PET scan identify tumors?
Definition
PET scans measure metabolic activity, malignant cells are more metabolically active so they show up well on PET scans
Term
What is the single most definitive test for cancer?
Definition
biopsy
Term
Which lung cancers can be treated with resection?
Definition
non-small cell lung cancer stages I and II
Term
What is the treatment for Adenocarcinoma?
Definition
resection may be attempted based on staging; DOES NOT RESPOND WELL TO CHEMO
Term
Which lung cancer are prone to metastasize?
Definition
large cell carcinoma
Term
Which lung cancer is not prone to metastasize?
Definition
squamous cell carcinoma
Term
What is the treatment of squamous cell carcinoma?
Definition
surgical resection may be attempted
Term
What is the treatment of large cell carcinoma?
Definition
surgery not usually attempted; may be radiosensitive but usually recur
Term
What is the treatment of small cell carcinoma?
Definition
chemotherapy is usual treatment but prognosis not good; radiation can be used as an adjuvant treatment or palliative
Term
Should range of motion exercises be used on the operative side of pts having chest surgery?
Definition
yes
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