Term
Improve Alveolar Ventilation ? |
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Definition
- maintain patent airway
- effective coughing
- suction/position
- secretions
- humidification
- hydration
- chest p/t
- aerosols
- nebulizers
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Term
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Definition
non invasive ventilation
- spontaneous respiration
- copd -hypercapnic respiratory distress
- post op resp distress
- Neuromuscular resp failure
- asthma/CF
- ards
- DNI
- pulmonary edema
- sleep apnea
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Term
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Definition
An increased concentration of carbon dioxide in the blood |
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Term
Cardiogenic pulmonary edema is ? |
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Definition
a condition in which fluid accumulates in the lungs, usually because the heart's left ventricle does not pump adequately |
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Term
Contraindications of NIV are ? |
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Definition
- coma
- cardiac arrest/MI/Ventricular arrhythmias
- respiratory arrest
- intubation
- shock
- GI bleed
- status epilepticus
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Term
Managing Symptoms respiratory failure |
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Definition
- breathing problems
- fatigue
- psychological support
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Term
Criteria needed for NIV ? |
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Definition
- Patient cooperation
- dyspnea
- tachypnea
- increased work of breathing
- hypercapnic
- hypoxemia
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Term
Predictors of successful NIV are ? |
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Definition
- increase in ph by 0.06
- decrease co2
- correction of resp acidosis
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Term
Lung volume is measured in ? |
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Definition
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Term
Pressure is measured in ? |
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Definition
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Term
Signs of respiratory failure ? |
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Definition
- worsening of clinical appearance /CXR
- hypoxemia
- hypercapnic
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Term
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Definition
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Term
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Definition
- Acute respiratory failure
- Pao2 <50 mmHg (80-100) hypoxemia
- PaCO2 >50 mmHg(35-45) hypercapnia
- Ph <7.35 (7.35-7.45)Acidosis
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Term
Pathophysiology for Acute respiratory failure is ? |
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Definition
- Ventilation or perfusion mechanisms are impaired
- failure to ventilate
- failure to oxygenate
- results in
- hypoxemia - restless state
- hypercapnia - sleeping state
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Term
Causes of acute respiratory failure ? |
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Definition
- ↓ respiratory drive
- chest wall/lung parenchymal dysfunction
- post op
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Term
Diagnostic tests for ARF ? |
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Definition
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Term
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Definition
- co = stroke volume x hr
- stroke volume is 2/3 amount of blood pumped out of left ventricle
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Term
Symptoms of decreased Cardiac Output ? |
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Definition
- reduced BP
- weakness/fatigue/dizziness
- edema/↓Urine output
- altered mental status
- cold clammy
- chest pain
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Term
Goals or outcomes for acute respiratory failure ? |
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Definition
- relieve bronchospasms
- reduce pulmonary congestion
- mechanical ventilation
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Term
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Definition
- acute respiratory distress syndrome
- lung injury
- pulmonary edema
- severe hypoxemia
- leads to respiratory failure
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Term
Direct lung injury causes |
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Definition
- aspiration
- pneumonia
- pulmonary contusion
- near drowning
- prolonged inhalation of O2, smoke, toxic substances
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Term
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Definition
- sepsis
- shock
- drug overdose
- fat emboli
- prolonged hypotension
- nonthoracic trauma
- head injury
- uremia
- acute pancreatitis
- dic, blood transfusions
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Term
Three main phases of ARDS ? |
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Definition
- exudative - acute inflammotary phase
- proliferative - ↑ capillary permeability
- fibrotic - recovery phase
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Term
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Definition
- lung injury causes inflammatory response
- interstitial damages
- ↓ lung compliance and severe hypoxemia
- non ventilating non functioning lung areas
- refractory hypoxemia
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Term
Clinical signs or presentation of ARDS ? |
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Definition
- severe dyspnea
- hypoxemia
- rapid shallow breathing - respiratory alkalosis
- rhonchi, crackles, cyanosis, intercostal rectractions
- tachycardia, hypotension, ↓ urine output
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Term
medical management of ARDS ? |
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Definition
- Oxygenation ventilator - low tidal volume , PEEP
- drug therapy
- nutritional / prone support
- permissive hypercapnia
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Term
Nutritional for ARDS is ? |
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Definition
- high metabolic demand
- enteral nutritional support preferred
- calories - high, protein, fatty acids
- fat calories
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Term
Permissive hypercapnia is ? |
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Definition
- protective mechanism from injury from inflammation
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Term
Nurse interventions for ARDS ? |
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Definition
- frequent assessments
- coughing
- suctioning
- frequent T / P
- decreased cardiac output
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Term
Indications for mechanical ventilation ? |
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Definition
- failure of ventilation
- Acute/Chronic respiratory failure
- chest injury
- Left ventricular failure/pulmonary disease
- neuromuscular/ms disease
- CNS disease/depression
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Term
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Definition
- volume of air inhaled and exhaled from the lungs
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Term
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Definition
- postive end expiratory pressure
- maintenance of above atmospheric pressure at the airway throughout expiration phase
- adjusts pressure at expiration
- re inflates / improves lung compliance
- decrease cardiac output
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Term
Negative pressure ventilation ? |
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Definition
- rarely used
- for neuromuscular diseases
- iron lung
- chest cuirass
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Term
complications of negative pressure ventilation are ? |
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Definition
- limited access for patient care
- inability to properly monitor pulmonary mechanics
- patient discomfort
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Term
Positive pressure ventilation is ? |
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Definition
- ↑ pressure to the lungs to improve gas exchange
- lungs are physically filled/ventilated with air
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Term
Positive ventilation modes are ? |
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Definition
- control modes
- supportive modes
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Term
mechanical ventilation modes are ? |
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Definition
- Assist / control
- ventilation / volume regulated pressure control
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Term
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Definition
- set Tidal volume / respiratory rate
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Term
Pressure control ventilation is ? |
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Definition
- set upper airway pressure / respiratory rate
- tidal volumes vary according to lung compliance
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Term
Continuous positive airway pressure is ? |
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Definition
- CPAP
- for spontaneously breathing patients to improve oxygenation
- weaning mode
- nocturnal ventilation - sleep apnea
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Term
Bi level positive airway pressure is ? |
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Definition
- BiPap
- nocturnal hypoventilation d/t neuromuscular disease, chest wall deformity, obstructive sleep apnea, copd
- to prevent intubation
- prevent re intubation
- contraindicated in
- thick secretions, gastric distention, aspiration, claustrophobia
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Term
complications from mechanical ventilation are ? |
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Definition
- lung injury - excessive pressure "baro"
- ventilator associated pneumonia VAP
- pseudomonas
- gram neg bacilli
- staphylococci
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Term
Outcomes from mechanical ventilation are ? |
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Definition
- oxygenate
- patent airway
- lungs clear
- abg within normal limits
- regular and easy respiratory rate
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Term
Interventions for ventilation ? |
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Definition
- auscultate breath sounds
- hyperoxgenate/suction
- bronchodilators and mucolytics
- T and P
- advance activity
- pulse ox
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Term
Neuromuscular blocking agents are ? |
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Definition
- NMBA
- improvement in severe hypoxemia
- paralysis improves pt-vent synchronism
- reduces O2 consumption
- improves chest wall compliance
- anti inflammatory effects
- may increase mortality
- weaning more difficult
- increase neuromuscular weakness
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Term
Sedatives used with ventilators ? |
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Definition
- lorazepan - ativan
- midazolam - versed
- propofol - diprivan
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Term
Paralytics used with ventilators ? |
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Definition
- pancuronium - pavulon
- rocuronium - zemuron
- vecuronium - norcuron
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