Medical-Surgical Nursing, 10th Ed., Lewis, Dirksen, Heitkemper & Bucher | Registered Nurse (RN) School Study Aid
Types of Shock
- Hypovolemic
- Depleted Volume
- Cardiogenic
- Pump Failure
- Obstructive
- Indirect Pump Failure
- Distributive
- Lost Vascular Tone
- Neurogenic
- Anaphylactic
- Septic
Severe Sepsis and Septic Shock Assessment
- Microthrombi
- DIC
- Decreased Oxygen Saturation
- Decreased WBC
- Oliguria
- High Output Heart Failure
- Multiple Organ Failure
Respiratory Alkalosis 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
Metabolic Acidosis Assessment
- Decreased pH < 7.35
- Decreased HCO3 < 22
- Abdominal Pain
- CNS Depression
- Coma
- Hypotension
- Arrhythmias
- Increased Respirations
- Kussmaul Respirations
- Flushed, Warm, Dry Skin
- Muscle Weakness
Cardiac Enzyme Evaluation: Troponin
- Cardiac Muscle Injury
- Detection in Blood: 4 Hours
- Peak: 24 - 36 Hours
- Return to Normal: 5 - 14 Days
- Most Specific for Cardiac Muscle
- Treat Aggressively
Cardiac Enzyme Evaluation: Creatine Kinase CK-MB
- Skeletal or Cardiac Muscle Injury
- Onset: 4-8 Hours
- Peak: 12-24 Hours
- Return to Normal: 2-3 Days
Sepsis Assessment
- Systemic Infectious Process
- Fever
- Hypotension
- Change in LOC
- Increased WBC
- Shift to the Left
- Tachycardia
- Tachypnea
- Hyperglycemia
- Edema
Inflammatory Response
- Pathogens Infect Tissue
- Mast Cells Release Histamine
- Histamine Dilates and Increases Capillary Permeability
- Macrophages Engulf Pathogens
- Macrophage Signals Cells With Cytokines
- Responding Neutrophils Cross Capillary Wall
- B And T Lymphocytes Arrive At Injury Site
Physiologic Dead Space (VD)
- Tidal Volume (VT)
- Partial pressure of arterial CO2 (PaCO2)
- Partial pressure of CO2 in expired air (PECO2)
- VD = TV x (PaCO2-PECO2) / PaCO2
IV Solutions
- Hypotonic (< 280 mOsm/L)
- 1/4 Normal Saline (0.225% NaCl)
- 1/2 Normal Saline (0.45% NaCl)
- Isotonic (280-300 mOsm)
- Normal Saline (0.9% NaCl)
- Lactated Ringer's (LR)
- Dextrose 5% in Water (D5W)
- Hypertonic (> 300 mOsm)
- 3% or 5% NaCl
- Dextrose 5% in 0.45% NaCl
- Dextrose 10% in Water (D10W)
Nitroglycerin
- Decreases Preload
- Angina
- Up to 3 doses q 5 mins
- Headache
- Hypotension
- Viagra (Sildenafil)
- Assess Blood Pressure
- Protect From Light
- Use Glass Bottle and Special Tubing
- Gloves for Applying Topically
Nitroprusside
- Direct Release of NO
- Increase cGMP
- Short Half-Life
- Malignant Hypertension
- Cyanide Toxicity
Dobutamine
- Beta-1 Agonist
- Inotropic
- Heart Failure
- Tachycardia
- Arrhythmias
- Closely Monitor Patients
- Other Meds May Increase Potency
Norepinephrine (Levophed)
- Alpha Agonist
- Beta-1 Agonist
- Severe Hypotension
- Decreases Renal Blood Flow
- Arrhythmias
- Hypertension
- Tissue Necrosis
- Last Resort Medication
Epinephrine (Adrenaline)
- Alpha and Beta Agonist
- Anaphylaxis
- Primary Open Angle Glaucoma (POAG)
- Bleeding
- Cardiac Arrest
- Tachycardia
- Hypertension
- Tremors
- Insomnia
- Multiple Strengths
Cimetidine and Famotidine (H2 Receptor Blockers)
- -tidine Suffix
- H2 Receptor Blocker
- Suppress Gastric Acid Secretion
- Pneumonia
- Anti-androgen Effects
- CNS Changes
Atropine
- Muscarinic Antagonist
- Bradycardia
- Increased Exocrine Secretions
- Smooth Muscle Spasms
- Tachycardia
- Dry Mouth
- Urinary Retention
Hypothermia Interventions
- Remove From Environment
- Remove Wet Clothing
- Warm Clothing
- Heated Blankets
- Warm IV Solutions
- Heated Oxygen
- Warm Gastric Lavage
- Warm Trunk BEFORE Extremities
Systemic Inflammatory Response Syndrome (SIRS) Criteria
- Temperature < 36C or > 38C
- Pulse > 90 beats per minute
- Respirations > 20/min or PCO2 < 32
- WBC < 4,000 or > 12,000 or 10% bands
- Subset of Cytokine Storm and Related to Sepsis
Acute Respiratory Distress Syndrome (ARDS) Assessment
- Damaged Alveolar-Capillary Membrane
- Restlessness
- Dyspnea
- Refractory Hypoxemia
- Decreased PaO2
- Diffuse Pulmonary Infiltrates
- Atelectasis
- Pulmonary Hypertension
Acute Respiratory Distress Syndrome (ARDS) Interventions
- Closely Monitor Patient
- ABG's (Arterial Blood Gases)
- Oxygen
- Assess for O2 Toxicity
- Mechanical Ventilation
- PEEP
- Assess for Pneumothorax
- Permissive Hypercapnia
- High Mortality Rate