Elizabeth Shared "OSUCOM-M1-MSF-Respiratory System" - 36 Picmonics
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OSUCOM-M1-MSF-Respiratory System
Respiratory Anatomy
- Characteristics
- Nasal Cavity
- Hair Filters
- Mucus Filters and Moistens
- Capillaries Warm
- Pharynx (Throat)
- Larynx (Voice Box)
- Cilia Expel Mucus and Dust
- Trachea
- Bronchi
- Alveoli
2 mins
Alveolar Gas Exchange
- Characteristics
- Pulmonary Artery Blood is O2-Poor, CO2-Rich
- Two-Cell Thick Air-Blood Barrier
- CO2 Diffuses Into Air
- O2 Diffuses Into Blood
- Gases Equilibrate
- Pulmonary Vein is O2-Rich, CO2-Poor
- Thermoregulation
2 mins
Alveolar Gas Equation
- Equation
- Partial Pressure of Alveolar Oxygen (PAO2)
- Partial Pressure of Oxygen in the Inspired Air (PIO2)
- PIO2 Normally Approximated = 150 mmHg
- Arterial Partial Pressure of CO2 (PaCO2)
- Respiratory Quotient (R)
- R Normally Approximated = 0.8
- PAO2 = PIO2 - (PaCO2/R)
1 min
Physiologic Dead Space (VD)
- Tidal Volume (Vt)
- Partial Pressure of Arterial CO2 (PaCO2)
- Partial Pressure of CO2 in Expired Air (PECO2)
- VD = VT x (PaCO2-PECO2) / PaCO2
2 mins
A-a Gradient
- Partial pressure of alveolar oxygen (PAO2)
- Partial Pressure of Arterial O2 (PaO2)
- Normal 10 to 15 mmHg
- Hypoxemia with an Abnormal A-a Gradient
- Diffusion problem
- Shunting (Low V/Q)
- Dead space (high V/Q)
1 min
Flail Chest
- Cause/Mechanism
- Trauma
- Assessment
- Shallow Respirations
- Chest Pain
- Paradoxical Chest Movement
- Interventions
- Mechanical Ventilation
- Analgesics
- Intercostal Nerve Blocks
- Considerations
- Surgical Rib Fixation
- Monitor Pulmonary Contusion
2 mins
Pneumothorax
- Mechanism
- Air Enters Pleural Space
- Assessment
- Sudden Dyspnea
- Absent or Restricted Movement on Affected Side
- Decreased or Absent Breath Sounds on Affected Side
- Chest Pain
- Tracheal Deviation
- Vital Sign Changes
- Crepitus
- Considerations
- High Fowler's Position With Oxygen
- Prepare For Chest Tube Placement
- Educate High Risk Patients
2 mins
Spontaneous Pneumothorax
- Mechanism
- Accumulation of Air in Pleural Space
- Tall and Thin Young Males
- Bleb or Bulla Rupture
- Underlying Disease
- Signs and Symptoms
- Hypoxemia
- Chest Pain
- Decreased Breath Sounds
- Hyperresonance
- Shortness of Breath (SOB)
1 min
Tension Pneumothorax
- Mechanism
- Air Enters Pleural Space, but Can't Exit
- Trauma or Infection
- Signs and Symptoms
- Decreased Breath Sounds
- Trachea Deviates Away from Affected Side
- Chest Pain
- Tachycardia
- Tachypnea
- Hypotension
- Hypoxemia
- Hyperresonance
- Emergency
2 mins
Pleural Effusion
- Characteristics
- Accumulation of Fluid in Pleural Space
- Types
- Transudative
- Exudative
- Chylothorax
- Clinical Features
- Dyspnea
- Pleuritic Chest Pain
- Decreased Breath Sounds
- Diagnosis
- Chest X-ray
- Light Criteria
- Management
- Treat Underlying Disorder
- Thoracentesis
3 mins
Neonatal Respiratory Distress Syndrome
- Cause/Mechanism
- Fetal Lung Immaturity
- Lack of Surfactant
- Assessment
- Respiratory Distress
- Nasal Flaring
- Retractions
- Grunting
- Interventions
- Surfactant
- Oxygen
- Mechanical Ventilation
- Considerations
- Total Parenteral Nutrition (TPN)
2 mins
Hemoglobin
- Hemoglobin Has Four Iron Hemes
- Lots Of Hemoglobin In Red Blood Cells
- High O2 Levels Increase O2 Binding
- High Temperature Reduces O2 Binding
- High CO2 Levels Reduce O2 Binding
- Low pH Reduces O2 Binding
- Myoglobin Binds Oxygen in Muscle
2 mins
Methemoglobinemia Characteristics
- Characteristics
- Oxidized Iron in Hemoglobin
- Decreased Affinity for Oxygen
- Increased Affinity for Cyanide
- Etiologies
- Dietary Nitrates
- Drugs
- Nitroglycerin
- Lidocaine
- G6PD Deficiency
2 mins
Hypoxia (Early Symptoms)
- Diaphoresis
- Restlessness
- Tachypnea
- Dyspnea on Exertion
- Tachycardia
- Hypertension
- Arrhythmias
- Decreased Urine Output
- Unexplained Fatigue
1 min
Hypoxia (Late Symptoms)
- Cyanosis
- Cool, Clammy Skin
- Use of Accessory Muscles
- Retractions
- Hypotension
- Arrhythmias
2 mins
Acute Respiratory Distress Syndrome (ARDS) Assessment
- Cause
- Damaged Alveolar-Capillary Membrane
- Assessment
- Restlessness
- Dyspnea
- Refractory Hypoxemia
- Decreased PaO2
- Diffuse Pulmonary Infiltrates
- Atelectasis
- Pulmonary Hypertension
2 mins
Acute Respiratory Distress Syndrome (ARDS) Interventions
- Interventions
- Closely Monitor Patient
- ABG's (Arterial Blood Gases)
- Oxygen
- Assess for O2 Toxicity
- Mechanical Ventilation
- PEEP
- Assess for Pneumothorax
- Permissive Hypercapnia
- Considerations
- High Mortality Rate
2 mins
Restrictive vs. Obstructive Lung Diseases
- Restrictive Lung Disease
- Decreased Lung Volume
- FEV1/FVC Ratio Normal to Increased
- Obstructive Lung Disease
- Increased Lung Volume
- Decreased FEV1/FVC Ratio
2 mins
Obstructive Lung Disease
- Blocked Airflow
- Increased residual volume
- V/Q Mismatch
- Decreased forced vital capacity (FVC)
- Decreased FEV1/FVC ratio
- Asthma
- Bronchiectasis
- Chronic bronchitis
- Emphysema
51 secs
Restrictive Lung Diseases
- Poor Breathing Mechanics
- Interstitial Lung Diseases
- Goodpasture's Syndrome
- Eosinophilic Granuloma
- Granulomatosis with Polyangiitis
- Sarcoidosis
- Pneumoconiosis
- Idiopathic Pulmonary Fibrosis
- Drug Toxicity
- Acute Respiratory Distress Syndrome (ARDS)
- Neonatal Respiratory Distress Syndrome
2 mins
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