Tabatha Shared "4th semester (test 2)" - 51 Picmonics
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4th semester (test 2)
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
Blood Acid-Base Control
- Characteristics
- In a State of Acidemia
- Medullary Chemoreceptors Control Ventilation Rate
- Expulsion of CO2 through Lungs Increases pH
- Bicarbonate Reabsorption from the Kidney Increases pH
- Kidney Excretion of H+ Increases pH
2 mins
Pulmonary Embolism Assessment
- Assessment
- Shortness of Breath (SOB)
- Pleuritic Chest Pain
- Tachypnea
- Hemoptysis
- Hypoxemia
- Considerations
- Sudden Death
52 secs
Lidocaine
- Mechanism
- Blocks Na+ Channels
- Indications
- Ventricular Arrhythmia
- Anesthetic
- Side Effects
- Paresthesias
- Seizures
- Respiratory Depression
- Drowsiness
- Consideration
- Anesthetic Effects Extended with Epinephrine
1 min
Local Anesthetic Overview
- Indications
- Minor Procedures
- Epidurals
- Mechanism of Action
- Blocks Na+ Channels
- State Dependent
- Combined with Vasoconstrictors
- Infected Tissue Requires Higher Dose
- Drugs
- Esters
- Amides
- Side Effects
- Arrhythmias
- Cardiotoxicity
1 min
IV Anesthetics
- Barbiturates
- Benzodiazepines
- Respiratory Depression
- Hypotension
- Ketamine
- NMDA Receptor Antagonist
- Hallucinations
- Opioids
- Propofol
- Potentiates GABA-A
2 mins
Respiratory Acidosis Interventions
- Improve Respiration
- Pharmacologic Interventions
- Bronchodilators
- Respiratory Stimulants
- Drug Antagonists
- Nonpharmacologic Interventions
- Oxygen
- Assisted Ventilation
- Prevent Complications
1 min
Respiratory Alkalosis Assessment
- Assessment
- Increased pH > 7.45
- Decreased PaCO2 < 35 mmHg
- Hyperventilation
- Brainstem Stimulation
- Head Injury
- Shock
- Lightheadedness
- Tingling Lips or Fingers
- Trousseau's
- Chvostek's Sign
- Anxiety
2 mins
Respiratory Acidosis Assessment
- Assessment
- Decreased pH < 7.35
- Increased PaCO2 > 45
- Reduced Respirations
- Anxiety
- Change in LOC
- Tachycardia
- Cyanosis
- Increased Electrolytes
- ECG Changes
- Muscle Weakness
- Hyporeflexia
2 mins
Anticholinergics Continued
- Drugs
- Glycopyrrolate
- Reduces Airway Secretions
- Ulcer Treatment
- Ipratropium
- Asthma and C.O.P.D
- Dicyclomine
- Hyoscyamine
- Irritable Bowel Syndrome
1 min
Metabolic Acidosis Interventions
- Interventions
- Raise Plasma pH > 7.20
- Treat Underlying Cause
- Sodium Bicarbonate
- Considerations
- Follow ABGs
- Continuously Monitor Patient
2 mins
Metabolic Alkalosis Interventions
- Interventions
- Treat Underlying Cause
- Stop Potassium (K+) Wasting Diuretics
- Spironolactone
- Acetazolamide
- IV Fluids
- Sodium Chloride
- Replace Potassium (K+)
- Considerations
- Monitor Respiratory Rate
- Monitor Heart Rate
- Seizure Precautions
2 mins
Metabolic Syndrome
- Assessment
- Dyslipidemia
- Central Obesity
- Insulin Resistance
- Hypertension
- Increased C-Reactive Protein (CRP)
- Increased Fibrinogen
- Considerations
- Increased Risk Cardiovascular Disease
1 min
Metabolic Acidosis Assessment
- Characteristics
- Decreased pH < 7.35
- Decreased HCO3 < 22
- Signs & Symptoms
- Abdominal Pain
- CNS Depression
- Coma
- Hypotension
- Arrhythmias
- Increased Respirations
- Kussmaul Respirations
- Flushed, Warm, Dry Skin
- Muscle Weakness
2 mins
How to Interpret Acid Base Disorders
- pH, pCO2, HCO3 (Bicarbonate)
- Step 1
- pH
- Acidosis
- Alkalosis
- Step 2
- pCO2
- Opposite Direction As pH
- Respiratory Acidosis
- Respiratory Alkalosis
- Step 3
- HCO3 (Bicarbonate)
- Same Direction As pH
- Metabolic Acidosis
- Metabolic Alkalosis
3 mins
Respiratory Acidosis
- Hypoventilation
- Increased PaCO2 > 45
- Barbiturates Depress Central Respiratory Center of Brain
- Opioids Depress Central Respiratory Center of the Brain
- Airway Obstruction
- Respiratory Muscle Weakness/Paralysis
3 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
Respiratory Alkalosis Interventions
- Treat Underlying Cause
- Mechanically Ventilated Patients
- Decrease Tidal Volume and/or Respiratory Rate
- Give Adequate Pain Control and Sedation
- Hyperventilation Syndrome
- Rebreathing into Paper Bag
- Sedatives
- Antidepressants
- Considerations
- Compensatory Drop in Serum Bicarbonate
- Correct CO2 Slowly
2 mins
Hypokalemia
- Assessment
- < 3.5 mEq/L
- Muscle Weakness
- Arrhythmia
- U Wave
- Ileus
- Hyporeflexia
- Interventions
- IV K+ Infusion at 5-10 mEq/hr
- Give Orally with Food
- Nursing Considerations
- Monitor Respiratory Status
3 mins
Hyperkalemia
- Assessment
- > 5.0 mEq/L K+
- Abdominal Cramps
- Muscle Weakness
- Diarrhea
- Arrhythmia
- Tall, Peaked T Waves
- Interventions
- IV Calcium
- Infusion of Glucose and Insulin
- Loop or Thiazide Diuretics
- Kayexalate
- Dialysis
- Prevention Education
2 mins
