Nick Shared "CV" - 42 Picmonics
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CV
Class I Antiarrhythmics (Na+ Channel Blockers) Overview
- Indications
- Arrhythmias
- Local Anesthesia
- Mechanism of Action
- Block or Slow Conduction
- Block Na+ Channels
- Raise Threshold
- State Dependent
- Contraindication
- Hyperkalemia
1 min
Class IA Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Arrhythmias
- Mechanism of Action
- Increase AP, ERP, and QT interval.
- Drugs
- Disopyramide
- Procainamide
- Drug-induced Lupus
- Quinidine
- Cinchonism
- Shared Side Effects
- Thrombocytopenia
- Torsades de Pointes
1 min
Class IB Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Arrhythmias
- After Myocardial Infarction
- Mechanism of Action
- Affect Ischemic Tissue
- Decrease AP duration
- Drugs
- Mexiletine
- GI Upset
- Lidocaine
- CNS Depression
- Tocainide
- Phenytoin
- Hirsutism
2 mins
Class IC Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Used as Last Resort
- V-Tach
- Mechanism of Action
- No Effect on AP Duration
- Drugs
- Propafenone
- Flecainide
- Contraindications
- Post-Myocardial Infarction
56 secs
Class III Antiarrhythmics (K+ Channel Blockers)
- Indications
- Arrhythmias
- Mechanism of Action
- Increase AP Duration, ERP, and QT Interval
- Drug Names
- Amiodarone
- Check Function Tests
- Dirty Drug
- Ibutilide
- Dofetilide
- Sotalol
- Beta-Blocker
2 mins
Class IV Antiarrhythmics (Ca2+ Channel Blockers)
- Indications
- SVT
- Subarachnoid Hemorrhage
- Mechanism of Action
- Decrease Conduction Velocity
- Increase PR Interval and ERP
- Drugs
- Verapamil
- Diltiazem
- Nimodipine
- Side Effects
- Cardiovascular
- Constipation
2 mins
Calcium Channel Blockers (Verapamil and Diltiazem)
- Mechanism of Action
- Slows AV Conduction
- Indications
- Angina Pectoris
- Arrhythmias
- Essential Hypertension
- Side Effects
- Bradycardia
- Hypotension
- Constipation
- Peripheral Edema
- Gingival Hyperplasia
- Nursing Consideration
- Medication Education
2 mins
Adenosine (Adenocard)
- Mechanism
- Slows AV Conduction
- Indications
- Supraventricular Tachycardia (Paroxysmal)
- Side Effects
- Bradycardia
- Flushing
- Dyspnea
- Considerations
- Rapid IV Push
- Caffeine and Theophylline Decrease Effectiveness
- Dipyridamole May Intensify Effects
2 mins
Lidocaine
- Mechanism
- Blocks Na+ Channels
- Indications
- Ventricular Arrhythmia
- Anesthetic
- Side Effects
- Paresthesias
- Seizures
- Respiratory Depression
- Drowsiness
- Consideration
- Anesthetic Effects Extended with Epinephrine
1 min
Magnesium Sulfate
- Mechanism
- Muscle Relaxant
- Indications
- Preterm Labor Contractions
- Preeclampsia
- Side Effects
- Warm Feeling
- Hypotension
- Decreased Deep Tendon Reflexes (DTRS)
- Decreased Respiratory Rate
- Decreased Urine Output
- Paralytic Ileus
- Antidote
- Calcium Gluconate
2 mins
Parts of an ECG
- PQRST
- P Wave
- Atrial Depolarization
- QRS Complex
- Ventricular Depolarization
- T Wave
- Ventricular Repolarization
2 mins
ECG Interpretation
- Rate
- Rhythm
- P Waves
- Upright, Rounded, Before Every QRS
- PR Interval (< 0.20 seconds)
- Normal QRS (< 0.12 seconds)
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
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
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
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
1 min
Torsades de Pointes
- Characteristics
- Polymorphic Ventricular Tachycardia
- Prolonged QT Interval
- QRS Twist Around Isoelectric Line
- Causes
- Congenital
- Antibiotics
- Antiarrhythmics
- Antipsychotics
- Antidepressants
- Electrolyte Deficiencies
- Complications
- Ventricular Fibrillation
- Treatment
- Stable: Magnesium Sulfate
- Unstable: Defibrillation
3 mins
Wolff-Parkinson-White Syndrome
- WPW Pattern vs. WPW Syndrome
- Pathophysiology
- Ventricular Pre-excitation Syndrome
- Accessory Conduction Pathway
- Signs & Symptoms
- Supraventricular Tachycardia
- Atrial Fibrillation
- Diagnosis
- Shortened PR Interval
- Delta Wave
- Widened QRS
- Treatment
- No Treatment if Asymptomatic
- Treat Arrhythmia
3 mins
Deep Vein Thrombosis (DVT) Characteristics
- Mechanism
- Virchow's Triad
- Venous Stasis
- Endothelial Damage
- Hypercoagulability
- Symptoms
- Tenderness
- Homan's Sign
- Warmth
- Redness
- Swelling
- Asymptomatic
1 min
Abdominal Aortic Aneurysm
- Screening
- Screen Males 65-75 Who've Ever Smoked
- Diagnosis
- Ultrasound
- Treatment
- Observation
- Asymptomatic and < 5 cm in Size
- Surgical Repair
- > 5.5 cm in Abdomen
- Emergent Surgery
- Ruptured or Symptomatic
2 mins
