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Kofi Shared "232. Cardiac A" - 26 Picmonics

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232. Cardiac A

Cardiac Cycle - Systole
Characteristics
AV Node
AV Node Conducts Signal to Bundle of His
Bundle of His Signals Purkinje Fibers to Contract Ventricles
Tricuspid Valve Closes
Pulmonary Valve Opens
Mitral Valve Closes
Aortic Valve Opens
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2 mins
Cardiac Cycle - Diastole
Characteristics
Aortic Valve Closes
Pulmonary Valve Closes
Ventricles Relax
Mitral Valve Opens
Tricuspid Valve Opens
Ventricles Fill
Sinoatrial (SA) Node Fires
Atrial Contraction
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3 mins
Unstable Angina
Assessment
Chest Pain with Rest or Exertion
Limits ADLs
> 15 Minutes
Less Likely Relieved by Nitroglycerin
ST Depression
Fatigue
Considerations
Acute Coronary Syndrome (ACS) Treatment
Emergency Treatment
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2 mins
Stable Angina
Assessment
Chest Pain with Exertion
Relieved within 15 Minutes
ST Depression
Interventions
Nitroglycerin
Up to 3 Doses q 5 Minutes
Rest
Antiplatelet Medication
CABG
Angioplasty
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2 mins
Myocardial Infarction Assessment
Assessment
Substernal Chest Pain
Crushing or Dull Sensation
Arm, Jaw, and Neck
> 20 Minutes
Unrelieved by Nitro
Palpitations
Diaphoresis
Fear of Impending Doom
Nausea and Vomiting
Shortness of Breath
Considerations
Monitor for Arrhythmias
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2 mins
Myocardial Infarction Diagnosis
Diagnosis
12 Lead ECG
ST Elevation
Q Wave
T Wave Inversion
Troponin T and I
CK-MB
Considerations
Early ECG
Cardiac Stress Test
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2 mins
Myocardial Infarction Interventions
MONA
Morphine
Oxygen
Nitrates
Aspirin
Thrombolytics (tPA)
Invasive Procedures
Cardiac Catheterization
Stent Placement
Angioplasty
Coronary Artery Bypass Grafting (CABG)
Considerations
Decrease Modifiable Risk Factors
Resuming Activity (Physical, Sexual)
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2 mins
Nitroglycerin
Indications
Pulmonary Edema
Angina
Mechanism of Action
Decreases Preload
Releases NO in Blood
Side Effects
Hypotension
Reflex Tachycardia
Flushing
Monday Disease
Contraindications
Viagra (Sildenafil)
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2 mins
Nitroglycerin
Mechanism of Action
Decreases Preload
Indications
Angina
Up to 3 doses q 5 mins
Side Effects
Headache
Hypotension
Contraindications
Viagra (Sildenafil)
Nursing Considerations
Assess Blood Pressure
Protect From Light
Use Glass Bottle and Special Tubing
Gloves for Applying Topically
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2 mins
Cardiovascular Effects of Beta-Blockers
Cardiac Myocytes and Vasculature
Decrease cAMP
Decreases SA and AV Node Conduction Velocity
Lower Blood Pressure
Decrease O2 Consumption
Decreases Mortality Post-MI
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2 mins
Beta Blockers
"-olol" suffix
Mechanism
Decreases Heart Rate and Contractility
Decreases Peripheral Vascular Resistance
Decreases Renin Release
Indications
Hypertension
Heart Failure
Angina Pectoris
Contraindications
Asthma and Heart Block Patients
Nursing Considerations
Assess Blood Pressure and Heart Rate
Masking Signs of Hypoglycemia
Do Not Stop Abruptly
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2 mins
Systemic Effects of Beta-Blockers
Respiratory
Bronchoconstriction
Metabolic
Decreased Insulin
Decreased Glycolysis and Lipolysis
Eye
Reduces Intraocular Pressure
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1 min
Beta Blocker Antidote
Antidote
Glucagon
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29 secs
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
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2 mins
Aspirin (Acetylsalicylic Acid)
Mechanism
Inhibits Platelet Aggregation
NSAID
Indications
Thrombotic Event Prevention
General Pain
Inflammatory Conditions
Fever
Side Effects
Pancytopenia
GI Ulcers
Bleeding
Considerations
Withhold Before Surgery 7-10 Days
Reye's Syndrome
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2 mins
Clopidogrel (Plavix)
Mechanism
ADP Receptor Antagonist
Prevent Platelet Aggregation
Indications
Acute Coronary Syndrome (ACS)
Prevention of Thrombotic Events
Side Effects
Bleeding
Thrombotic Thrombocytopenic Purpura (TTP)
Pancytopenia
Abdominal Pain
Considerations
Withhold Before Surgery
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2 mins
Heparin Mechanisms
Mechanism of Action
Short Half-life
Antithrombin Activation Cofactor
Decrease Thrombin, Factor Xa
Side Effects
Bleeding
Heparin Induced Thrombocytopenia (HIT)
Antidote
Protamine Sulfate
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2 mins
Heparin Indications
Indications
Acute Coronary Syndrome (ACS)
Prophylaxis
Pulmonary Embolism
Atrial Fibrillation
Used during Pregnancy
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1 min
Enoxaparin (Lovenox)
Mechanism of Action
Inhibits Clotting Factors
Factor Xa
Indications
Clot Formation Prevention
Side Effects
Heparin Induced Thrombocytopenia (HIT)
Bleeding
Considerations
Medication Education
Subcutaneous Injection
2 Inches from Umbilicus or Incisions
Antidote
Protamine Sulfate
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2 mins
Abciximab and Tirofiban (GP IIb/IIIa Inhibitors)
Mechanism
IIb/IIIa Receptor Inhibitors
Inhibits Platelet Aggregation
Indications
Thrombotic Event Prevention
Acute Coronary Syndrome (ACS)
Percutaneous Coronary Intervention (PCI)
Side Effects
Bleeding
Considerations
Expensive
Combination Drug Therapy
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2 mins

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Kofi Shared 232. Cardiac A - 26 Picmonics