Carolyn Shared "NUR 504 Week #1" - 40 Picmonics

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NUR 504 Week #1

Parts of an ECG
PQRST
P Wave
Atrial Depolarization
QRS Complex
Ventricular Depolarization
T Wave
Ventricular Repolarization
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2 mins
ECG Interpretation
Rate
Rhythm
P Waves
Upright, Rounded, Before Every QRS
PR Interval (< 0.20 seconds)
Normal QRS (< 0.12 seconds)
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2 mins
ECG: Sinus Bradycardia
Rate
< 60 bpm
Rhythm
Regular
P Wave
Present, Upright, Every QRS
PR Interval
< 0.20 seconds
QRS Interval
< 0.12 seconds
Treatment
Atropine
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1 min
ECG: Sinus Tachycardia
Rate
> 100 bpm
Rhythm
Regular
P Wave
Present, Upright, Every QRS
PR Interval
< 0.20 seconds
QRS Interval
< 0.12 seconds
Treatment
Treat Underlying Cause
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2 mins
ECG: Atrial Flutter
Rate
Variable
Rhythm
Regular or Irregular
P Wave
Saw Tooth, Multiple Before Every QRS
PR Interval
Non-measurable
QRS Interval
< 0.12 seconds
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2 mins
ECG: Atrial Fibrillation
Rate
Variable Rate
Rhythm
Irregular Rhythm
P Wave
No P Wave
PR Interval
No PR Interval
QRS Interval
QRS < 0.12 Seconds
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1 min
Normal Electrolyte Lab Values
Potassium (K+)
3.5 to 5.0 mEq/L
Calcium (Ca2+)
8.5 to 10.5 mg/dL
Phosphate (PO43–)
2.5 to 4.5 mg/dL
Magnesium (Mg2+)
1.5 to 2.5 mEq/L
Sodium (Na+)
135 to 145 mEq/L
Chloride (Cl)
95 to 105 mEq/L
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2 mins
INR Lab Value
0.8-1.2 Normal Range
Warfarin
2.0-3.0
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1 min
Troponin Lab Values
Troponin T (cTnT)
< 0.1 ng/mL Normal
Troponin I (cTnI)
< 0.5 ng/mL Normal
> 2.3 ng/mL Myocardial Injury
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2 mins
Cardiac Enzyme Evaluation: Myoglobin
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 1 - 4 Hours
Peak: 12 Hours
Return to Normal: 24 Hours
Considerations
Elevation After 24 Hours: Reinfarction
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2 mins
Cardiac Enzyme Evaluation: Troponin
Measures
Cardiac Muscle Injury
Time Ranges
Onset: 1 Hour
Peak: 10 - 24 Hours
Return to Normal: 5 - 14 Days
Considerations
Most Specific for Cardiac Muscle
Treated Aggressively
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Cardiac Enzyme Evaluation: Creatine Kinase CK-MB
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 4-8 Hours
Peak: 12-24 Hours
Return to Normal: 2-3 Days
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1 min
Abdominal Aortic Aneurysm (AAA) Assessment
Mechanism
Atherosclerosis
Assessment
Bruit
Pulsation in Abdomen
Abdominal or Lower Back Pain
Tearing Pain
Diagnosis
Ultrasound
Considerations
Rupture
Shock
Surgical Repair
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1 min
Acute Pericarditis Assessment
Pericardial Sac Inflammation
Assessment
Sharp Chest Pain
Increased with Inspiration
Pain Decreased by Leaning Forward
Pericardial Friction Rub
Diffuse ST-Elevation
T Wave Inversion
Fever
Considerations
May Be Asymptomatic
Cardiac Tamponade
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2 mins
Endocarditis Assessment
Infection of Inner Layer and Valves
Assessment
Fever
Fatigue
New or Changed Murmurs
Roth's Spots
Splinter Hemorrhages
Janeway Lesions
Osler's Nodes
Considerations
Heart Failure
Embolization
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2 mins
Endocarditis Interventions
Interventions
IV Antibiotics
4-6 Weeks
Anticoagulants
Good Hygiene
Considerations
Closely Monitor
Antibiotic Prophylaxis
Dental Procedures
Invasive Procedures
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1 min
Cardiac Catheterization
Considerations
Fluttering Sensation
Contrast Media
NPO 6-12 Hours
After Procedure
Bed Rest
Assess Circulation
Assess for Bleeding
Monitor Vital Signs
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2 mins
Alteplase
Mechanism
Tissue Plasminogen Activator
Indications
Thrombosis
Side Effects
Bleeding
Contraindications
Intracranial Hemorrhage
Internal Hemorrhaging
Considerations
Minimize Bleeding
Monitor for Shock
Antidote
Aminocaproic Acid
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Heparin (Unfractionated)
Mechanism of Action
Suppresses Coagulation
Indications
Deep Vein Thrombosis (DVT)
Pulmonary Embolism
Side Effects
Hemorrhage
Heparin-Induced Thrombocytopenia (HIT)
Considerations
Monitor aPTT
Preferred (Safe) During Pregnancy
Antidote
Protamine Sulfate
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2 mins
Atropine
Mechanism of Action
Muscarinic Antagonist
Indications
Bradycardia
Increased Exocrine Secretions
Smooth Muscle Spasms
Side Effects
Tachycardia
Dry Mouth
Urinary Retention
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2 mins

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