Respiratory #2 Flashcards
Measures lung volume and airflow-
Pulmonary Function Test
Used to Diagnosis, monitors disease progression, evaluates response to bronchodilators
Pulmonary Function Test
Spirometry- given by a trained personal
Measures airflow.asked to take a deep breath and blow as hard as possible. Lung function test. Hand held
Peak Flow meter
Used at home. Hand help. Blows forefully and quickly. Can be done by the pt.
6-minute walk test
Measures functional capacity
Pulse ox monitored during walk
ABGs: Acid Base regulation
Buffer System, Respiratory System (happens in mins, maximum effectiveness in hours), Renal System
Fastest-Immediate Reaction
Buffer System
Primary Regulator
Buffer System
Neutralize Acids
Buffer System
Respiratory and Renal systems must have adequate function
Buffer System
Excrete CO2 and H20
Respiratory System
Respiratory Regulation in Medulla
Respiratory System
Normal Acid elimination
Renal System
Absorb HCO3 increasing blood PH and decreasing urine acidity
Renal System
Keep on eye of ABGs to see if
tx is working
Chemically change stronger acid to weaker ones or completely neutralize it-
buffer system
Both have to work together-
resp and renal
Lungs help maintain normal ph by excreting co2 and h2o=
cellular metabolism
Respiratory Center in the medulla controls the rate of
excretions of CO2
If co2 or hydrogen is high the respiratory system is stimulated it will
increase rate of breathing to get rid of CO2
If co2 is low the level of respirations are
inhibited
Renal system-
last resort, hours to days.
Kidney function is to balance through the
urine.
Normal ph is 6 for urine but can go to
4 or 8 depending what is needed.
Kidneys will reabsorb additional bicarb and eliminate excess of hydrogen for
Acidosis
___ normal pH
7.35-7.45
ABGs- goes on wrist.
Measures acidity and alkalinity in arteries.
Nurses need to note when the ABGs values are
abnormal.
pH “acidity” or “alkalinity”
7.35 – 7.45
PaCO2 (pulmonary) Carbon dioxide “Acid”
35 - 45
HCO3 (Kidney) Bicarbonate “Base”
22 - 26
PaO2 Oxygen Hypoxemia
80 - 100
Breath co2 and hydrogen-which is linked to acid.
The more co2 the higher the acid
Is it Acidosis or Alkalosis? pH
3 Step ABG Interpretation
Is it Respiratory or metabolic? Co2/HCo3
3 Step ABG Interpretation
Is it compensated or uncompensated?
3 Step ABG Interpretation
pH <7.35
Acidosis
pH >7.45
Alkalosis
PaCO2
Respiratory
Acid
HCO3
Metabolic
Base
PaC02- abnormal and HC03- is normal =
respiratory
HC03-abnormal and PaC02 is normal =
kidney
CO2 is high-
acid, lungs will breathe deep and fast to get risk of co2 loss
CO2 is low or alkaline=
respirations will be decreased
Kidneys will absorb the
bicarb
PaCO2 <35
Respiratory Alkalosis
PaCO2 >45
Respiratory Acidosis
HCO3 <22
Metabolic Acidosis
HCO3 >26
Metabolic Alkalosis
Respiratory acidosis is a sign of
respiratory failure
Lung working too hard- pulmonary edema, etc
Respiratory acidosis
Too slow lungs- sedated or problem with brainstem, problem with mobility, muscle paralysis of respiratory muscles
Respiratory acidosis
Respiratory acidosis Cardio symptoms
Low BP, v-fib, warm flushed skin
Respiratory acidosis Neuromuscular symptoms
Seizures, muscle weakness, hyperflexia
Respiratory acidosis S/sx
Hypoventilation= Hypoxia
Rapid, shallow respirations
Skin/Mucosa Pale to Cyanotic
HA
Hyperkalemia
Dysrhythmias
Drowsiness, Dizziness, Disorientation
Respiratory acidosis Causes
Respiratory depression (Anesthesia, Overdose, Increase intracranial pressure), Airway obstruction, decrease alveolar capillary diffusion (Pneumonia, COPD, ARDS, PE)
Respiratory acidosis
Fixing the problem
Respiratory Acidosis Tx: Fix respirations- exhale co2 to decrease carbonic acid in blood
Respiratory Acidosis Tx: Bronchodilators-
reverse airway obstruction (inflammation)
Beta agonist- albuterol
Anticholinergic- ipratropium
Methylxanthines- theophylline
Respiratory Acidosis Tx: Respiratory stimulants-
to increase respiratory drive and help breathe.
Respiratory Acidosis Tx: Increase respiratory drive and stimulate ventilation, pts w copd
can have respiratory acidosis.
Respiratory Acidosis Tx: Diuretic- acetazolamide-
causes metabolic acidosis by increasing bicarb excretion causing body to increase body ventilation.
Respiratory Acidosis Tx: Drug antagonists-Antidotes- reverse effects-
Narcan, flumazenil-reverse effects of benzodiazepines
Respiratory Acidosis Tx: O2 improves gas exchange.
Prevent hypoxemia and restore acid base balance.
CO2 is the main drive for
breathing.
Copd patients do not have the drive anymore.
O2 sat 88-92 percent is normal.
Respiratory Acidosis Tx: Vent
Support
Respiratory Alkalosis:
pH: >7.45 and PaCO2 <35
Hyperventilation with anxiety (Rapid rate)
Respiratory Alkalosis Causes
Hypoxemia (primary cause of alkalosis)
Respiratory Alkalosis Causes
Pneumonia
Respiratory Alkalosis Causes
Pulmonary Embolus
Respiratory Alkalosis Causes
Pregnancy (normal finding)
Respiratory Alkalosis Causes
Ventilatory settings too high or too fast
Respiratory Alkalosis Causes
High altitudes
Respiratory Alkalosis Causes
Liver failure
Respiratory Alkalosis Causes
Septicemia (fever)
Respiratory Alkalosis Causes
Stroke
Respiratory Alkalosis Causes
Overdose of salicylates or progesterone
Respiratory Alkalosis Causes
Seizures
Deep Rapid Breathing
Respiratory Alkalosis s/sx
Hyperventilation
Tachycardia
Respiratory Alkalosis s/sx
Low or normal BP
Respiratory Alkalosis s/sx
Hypokalemia
Numbness and tingling of extremities
Respiratory Alkalosis s/sx
Lethargy and confusion
Respiratory Alkalosis s/sx
Light headedness
N/V
Respiratory Alkalosis s/sx
Respiratory Alkalosis causes
Hyperventilation (Anxiety, PE, Fear)
Mechanical Ventilation
Treat underlying cause to resolve problem
Respiratory Alkalosis Tx
Decrease tidal volume or resp rate- slow down
Respiratory Alkalosis Tx
Pain control/sedation-help with anxiety
Respiratory Alkalosis Tx
Breathe into paper bag- Used during acute episodes
Respiratory Alkalosis Tx
Antidepressants- to depress CNS and help slow down breathing. Unresponsive to paper bag or decrease stress.
Respiratory Alkalosis Tx
Correct Co2 slowly to prevent metabolic acidosis. The kidney will try to compensate and decrease bicarb reabsorption.
Respiratory Alkalosis Tx
Metabolic Acidosis
pH < 7.35 HCo3 < 22
Diabetic ketoacidosis- accumulation of acid. Keto acid accumulation
Metabolic Acidosis
Lactic acidosis- accumulation of acid, pts that have shock
Metabolic Acidosis
Starvation
Metabolic Acidosis
Diarrhea- losing bicarb
Metabolic Acidosis
Renal tubular acidosis
Metabolic Acidosis
Renal failure
Metabolic Acidosis
GI fistulas
Metabolic Acidosis
Shock
Metabolic Acidosis
Ileostomy- risk for metabolic acidosis bc fluid is
higher than the plasma
Carbonic acid accumulates in the body and losing bicarb through body fluids
metabolic acidosis
Always accompined with hyperkalemia
metabolic acidosis
Metabolic acidosis S/Sx
HA, Decreased BP, Hyperkalemia, Muscle twitching, Warm flushed skin, N/V/D, LOC changes, Kussmaul respirations (compensatory hyperventilation).
Metabolic acidosis Causes
Diabetic Ketoacidosis, Severe diarrhea, Renal Failure, Shock
Raise plasma pH > 7.20
Metabolic Acidosis Tx
Treat underlying cause to get problem resolved faster
Metabolic Acidosis Tx
Sodium Bicarb
Metabolic Acidosis Tx
Follow ABGs- to track pt and to see if better
Metabolic Acidosis Tx
Continuously monitor patient.- vital signs
Metabolic Acidosis Tx
Kidney-
potassium bicarbonate
Diabetic Keto Acidosis-
Insulin and hydration
Lactic acid-
bicarbonate and reversal agent for ethanol and methanol poising
Sodium bicarbonate low- give
bicarbonate
If pt not responding to therapy give-
sodium bicarbonate meanwhile
Metabolic alkalosis
pH > 7.45 HCO3 > 26
Metabolic alkalosis Causes
Vomiting
NG suctioning
Diuretic therapy- loss acid, potassium, and gi/renal hydrogen. Decrease in chloride.
Hypokalemia
Excess bicarb intake
Loses potassium
Metabolic alkalosis
Seeing in pts overusing antacids- makes gut alkaline
Metabolic alkalosis
Lose much bicarbonate and little acid
Metabolic alkalosis
Metabolic Alkalosis s/sx
Restlessness followed by lethargy, dysrhythmias, Compensatory hypoventilation, confusion (Decreased LOC, Dizzy, Irritable), N/V/D, tremors, muscle cramps, tingling of fingers and toes
Metabolic Alkalosis Cause
Severe vomiting
Excessive GI suctioning
DIuretics
Excessive NaHCO3 (Sodium Bicarbonate)
Treat underlying cause
Metabolic alkalosis tx
Stop K+ wasting diuretics- change to loop or thiazide like diuretics
Metabolic alkalosis tx
Spironolactone- potassium sparing
Metabolic alkalosis tx
Acetazolamide- potassium sparing
Metabolic alkalosis tx
IV fluids- NS
Metabolic alkalosis tx
Sodium chloride
Metabolic alkalosis tx
Replace K+ by food or IV therapy
Metabolic alkalosis tx
Monitor Resp rate- respirations decreased which leads to hypoxia. if any decrease in oxygenation report to doctor
Metabolic alkalosis tx
Monitor HR- changes due to electrolyte disturbances
Metabolic alkalosis tx
Seizure precautions
Metabolic alkalosis tx
Change in o2 sats put them on high flow non rebreather mask, seizure precaution (electrolyte imbalance)
Metabolic alkalosis tx
Sodium choride- helps sodium, fluid, and water
Metabolic alkalosis tx
Be careful with HF and renal insufficiency
Metabolic alkalosis tx
Pt has large amout of mucosity (thick)- position to help move secretions in the lungs
Chest Physiotherapy (CPT)
Group with physical therapy technique to improve function and breath better
Chest Physiotherapy (CPT)
Expands lungs- strengthens muscles, loosens and drain thick lung secretion
Chest Physiotherapy (CPT)
Needed to unclog the airways, uses gravity, and percussion
Chest Physiotherapy (CPT)
Head should be lower than the chest
Chest Physiotherapy (CPT)
Same intention connected to machine.
High Frequency Chest Wall Oscillation Vest
Vibration at high vibration.
High Frequency Chest Wall Oscillation Vest
Every 5 minutes the pt is supposed to cough and bring out secretion
High Frequency Chest Wall Oscillation Vest
Incentive speedometer- common
Vibratory Positive Expiratory Pressure Device (PEP)
Causes vibration also to remove secretions
Hand held
Vibratory Positive Expiratory Pressure Device (PEP)
Establish a patent airway due to mass- temporary or permanent.
TRACHEOSTOMY needed
Object not allowing person to take breaths
TRACHEOSTOMY needed
Bypass an upper airway obstruction
TRACHEOSTOMY needed
Facilitate removal of secretions
TRACHEOSTOMY needed
Permit long term mechanical ventilation
TRACHEOSTOMY needed
Facilitate weaning from mechanical vent
TRACHEOSTOMY needed
Surgical creates stoma in interior portion of trachea
TRACHEOSTOMY
Post op- NPO
TRACHEOSTOMY
Monitoring for abnormal lung sounds, check o2 sats min q4h.
Post op more often- when they get there q 15 mins, q30 mins, q1h
TRACHEOSTOMY
Nothing restricting the stoma
TRACHEOSTOMY
Inflated cuff most common with mechanical ventilation or pts at risk for ventilation or no cuff
TRACHEOSTOMY
Cuffless- for pts with longer term trache for eating and talking. Inner part, may be fenestrate (hole) to allow pts to breathe and speak
TRACHEOSTOMY
Trachcolar to keep in place
TRACHEOSTOMY
Not much humidity there where the ostomy is. If have humidifier watch for condensation
TRACHEOSTOMY
Will require a sterile field
Tracheostomy Care
Will require use of solutions from non-sterile containers
Tracheostomy Care
Will require oxygen and suction
Tracheostomy Care
Delegation: established trachs may delegate to unlicensed personnel, but
new fresh trachs, RN’s must perform the care and assess
Use only sterile manufacture precut dressings or folded 4X4,
never use cotton-filled gauze sponge.
Already prepared for cleaning
EBP: patient may aspirate
cotton or gauze fibers
If there is powder, hair or chemicals present-
protect trachea ostomy
Assess patient’s respiratory status prior to care
Tracheostomy Care Assessment
Respiratory rate, depth, rhythm, breath sounds, color, pulse oximetry (determines whether patientcan tolerate trach care)
Tracheostomy Care Assessment
Assess trach site for drainage, redness or swelling (indications of infection)
Tracheostomy Care Assessment
Assess when patient last ate, schedule care at least 3 hours after meal to decrease risk of vomiting oraspirating stomach contents
Tracheostomy Care Assessment
Shouldn’t be taking a long time
Tracheostomy Care Assessment
If any think yellow tenuous secretion-
sign of infection
-Lower head of the bed to access trach
dressing and ties
-Loosen one side of trach ties, remove
old dressing and discard with gloves
-Prepare sterile field and
loosen caps to sterile saline
-Open sterile gloves and don
ENSURE contents of the tray remain dry*
-Using non-dominate hand open and pour sterile saline into each
compartment of the tray
-Remove inner cannula of trach and place in larger compartment
CLEAN PROCEDURE
-Use the brush to clean the inner cannula thoroughly with
saline
-Rinse inner cannula by immersing in one compartment of
sterile saline
-Use pipe cleaners to dry .
inner cannula thoroughly
-Replace inner
cannula
-Use sterile swabs and remaining UNUSED compartment of sterile saline to
cleanse stoma area.
-Pat stoma dry with sterile
4x4
-Replace sterile trach
dressing.
Re-secure
trach tie.
Date and time performed
Tracheostomy CareDocumentation
Note color, amount consistency and odor of secretions
Tracheostomy CareDocumentation
Note condition of stoma and skin around stoma site, any drainage, redness, or swelling
Tracheostomy CareDocumentation
Document respiratory status before and after
Tracheostomy CareDocumentation
Patient’s tolerance of procedure
Tracheostomy CareDocumentation
Note any problems that arose and interventions provided for those problems
Tracheostomy CareDocumentation
On documentation always-
how you found the patient, what you did in-between, and how you leaving patient
Suction only when necessary
Suctioning Tracheostomy
Use suction catheter no more than ½ size of internal diameter of airway tube
Suctioning Tracheostomy
Adjust suction regulator per policy, lowest possible setting to accomplish suction (just to remove secretion:
Adults 100-150 mm Hg
Children: 100-120 mm Hg
Infants: 50-95 mm Hg
Suctioning Tracheostomy
Too much secretion=
suction
Suction only when necessary.
The more suction the more mucus.
Dominant hand sterile, non-dominant hand unsterile
Suctioning Tracheostomy
Dominant hand sterile, non-dominant hand unsterile
Suctioning Tracheostomy
Place patient in semi-fowler position
Suctioning Tracheostomy
Hyperoxygenate patient prior to suction
Suctioning Tracheostomy
Insert catheter gently without applying suction (closing suction opening with thumb)
Suctioning Tracheostomy
Place pt in semifolwers position, hyper oxygenate(take deep breaths) insert gently then when coming out apply suction
Suctioning Tracheostomy
Do NOT force catheter
Suctioning Tracheostomy
Do NOT apply suction as you enter the airway
Suctioning Tracheostomy
Rotate the suction catheter when withdrawing it
Suctioning Tracheostomy
Apply suction as you remove the catheter but no longer than 15 seconds
Suctioning Tracheostomy
Avoid saline lavage during suctioning
Suctioning Tracheostomy
Repeat suction as needed allowing 30 second intervals hyper oxygenate between passing catheter
Suctioning Tracheostomy
When suctioning is completed, provide oxygen source
Suctioning Tracheostomy
Provide oral care
Suctioning Tracheostomy
Reposition patient
Suctioning Tracheostomy
Provide for safety
Suctioning Tracheostomy
Date and time suction was performed
Suctioning Tracheostomy: Documentation
Note suction techniques (sterile) and catheter size used
Suctioning Tracheostomy: Documentation
Note color, consistency, and odor of secretions
Suctioning Tracheostomy: Documentation
Document patient’s respiratory status before and after the procedure
Suctioning Tracheostomy: Documentation
Document patient’s tolerance of procedure and any complications encountered
Suctioning Tracheostomy: Documentation
Document any interventions performed to address complications.
Suctioning Tracheostomy: Documentation
Epistaxis- Nose bleed.
Mucosa erodes and vessels become exposed and break.
Epistaxis Patho/Etiology
Caused by trauma, mucosa irritation, inflammation, tumors, septal abnormalities, foreign bodies, prolonged inhalation of dry air, hypertension, migraines, heat.
Epistaxis Patho/Etiology
Nose bleeding
Epistaxis S/Sx
Monitor h&h
Epistaxis Diagnostic/Labs
Apply pressure.
Epistaxis Interventions
Forward and down.
Epistaxis Interventions
Breathe through mouth.
Epistaxis Interventions
If not stopping may need to cauterize to stop bleeding.
Epistaxis Interventions
Packing-folded gauze with petroleum or nasal tampon.
Epistaxis Interventions
If bleeding more towards back will do a balloon system through the mouths
Epistaxis Interventions
Topical vasoconstriction.
Epistaxis Medications
Large bleed- or tetracaine, or lidocaine solution, 4% cocaine solution.
Epistaxis Medications
Hemostatic packing with absorbable gelatin
Epistaxis Medications
Nose bleeding disorder
Epistaxis
Epistaxis Patho/Etiology
Dry cracked mucosa and Trauma
Dry cracked mucosa Meds
Nasal Saline