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Understanding the Cardiovascular System Study Guide

Learn about the heart's structure and function, how electrical signals control its rhythm, common cardiovascular diseases, and how healthcare professionals assess heart health through physical exams and EKGs.

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Pathophysiology and Management of Cardiovascular Emergencies

Acute Coronary Syndromes and Cardiology

This lecture covers Acute Coronary Syndromes including angina pectoris and acute myocardial infarction, focusing on pathophysiology, assessment, and treatment plans.

  • Acute Coronary Syndromes (ACS)
  • Angina pectoris
  • Unstable angina
  • Acute Myocardial Infarction (AMI)
  • NSTEMI
  • Atherosclerosis
  • Infarction
  • Percutaneous coronary intervention (PCI)
  • Fibrinolytic medication
  • Reperfusion therapy

Cardiology: Heart Failure and Acute Syndromes

This lecture covers heart failure pathophysiology, compensatory mechanisms, assessment, treatment plans, and ventricular assist devices.

  • Acute Coronary Syndromes
  • Heart Failure
  • Left Ventricular Failure
  • Right Ventricular Failure
  • Cor Pulmonale
  • Compensatory Mechanisms
  • Sympathetic Nervous System
  • Ventricular Assist Devices
  • Cardiac Tamponade

Cardiac Tamponade and Cardiogenic Shock

This content covers the signs, symptoms, pathophysiology, assessment, and treatment plans for cardiac tamponade and cardiac shock.

  • Cardiac Tamponade
  • Pulsus paradoxus
  • Electrical alternans
  • Cardiac Shock
  • Myocardial contractility
  • Tissue perfusion
  • Left Ventricular Failure (LVF)
  • Acute Myocardial Infarction (AMI)
  • Vasoactive IV medications
  • Dopamine
  • Norepinephrine
  • Epinephrine

Cardiology Emergencies and Cardiac Inflammatory Conditions

This lecture covers hypertensive emergencies, endocarditis, pericarditis, and myocarditis including pathophysiology, signs and symptoms, assessment, and treatment plans.

  • Hypertensive emergencies
  • Hypertensive urgency
  • Endocarditis
  • Pericarditis
  • Myocarditis
  • End-organ damage
  • Atherosclerosis
  • Arteriosclerosis
  • Cardiac shock
  • Neurologic signs and symptoms
  • Cardiovascular signs and symptoms
  • Inflammation of the pericardium
  • Inflammation of the myocardium
  • Infection of the endocardium

Cardiology: Myocarditis, Rheumatic Fever, and Aortic Aneurysm

This lecture covers myocarditis, rheumatic fever, and aortic aneurysm including assessment, signs and symptoms, and prehospital care.

  • Myocarditis
  • Rheumatic Fever
  • Aortic Aneurysm
  • Aortic Dissection
  • Tachypnea
  • Arrhythmia
  • Heart Failure
  • EKG abnormalities
  • Streptococcal bacteria
  • Valve stenosis
  • Ascending aorta dissection
  • Descending aorta dissection
  • Prehospital care

Arterial Occlusion and Limb Ischemia

Arterial occlusion and acute limb ischemia involve sudden disruption of arterial blood flow caused by thrombus, embolus, tumor, or direct trauma.

  • Arterial occlusion
  • Limb ischemia
  • Thrombus
  • Embolus
  • Acute limb ischemia
  • Five Ps assessment
  • Thrombophlebitis
  • Deep vein thrombosis (DVT)
  • Venous stasis
  • Homan sign
  • Pulmonary embolism (PE)

Cardiac Pathophysiology and Emergencies

This material covers cardiac pathophysiology including coronary artery disease, angina, myocardial infarction, heart failure, cardiac tamponade, cardiogenic shock, dissecting aortic aneurysm, and hypertensive emergencies.

  • Coronary Artery Disease
  • Thrombus
  • Embolus
  • Atherosclerosis
  • Arteriosclerosis
  • Myocardial Infarction
  • NSTEMI
  • Subendocardial MI
  • Transmural MI
  • Left Sided Heart Failure
  • Right Sided Heart Failure
  • Cardiac Tamponade
  • Cardiogenic Shock
  • Dissecting Aortic Aneurysm
  • Hypertensive Emergencies
  • Hypertensive Crisis
  • Hypertensive Encephalopathy

ACLS Rhythms and Cardiac Medications

Advanced Cardiac Life Support guidelines for interpreting cardiac rhythms and administering specific cardiac medications.

  • EKG interpretation
  • Junctional Escape
  • Second Degree Type 1
  • Second Degree Type 2
  • Third Degree Idioventricular
  • Sinus Rhythm
  • Sinus Tachycardia
  • Atrial Fibrillation
  • Accelerated Junctional
  • Junctional Tachycardia
  • Supraventricular Tachycardia
  • Ventricular Tachycardia
  • Asystole
  • Ventricular Fibrillation
  • Pulseless Ventricular Tachycardia
  • Adenosine
  • Amiodarone
  • Atropine
  • Dopamine

Management of Cardiovascular Emergencies

An overview of cardiovascular anatomy, physiology, and the assessment and management of various cardiac conditions and dysrhythmias.

  • cardiovascular anatomy and physiology
  • cardiac conduction system
  • cardiac action potential
  • acute coronary syndrome
  • myocardial infarction
  • angina pectoris
  • cardiac arrest
  • cardiac dysrhythmias
  • ECG monitoring
  • heart failure
  • cardiac tamponade
  • cardiogenic shock
  • hypertensive emergencies
  • vascular disorders
  • aortic aneurysm
  • acute arterial occlusion
  • defibrillation
  • synchronized cardioversion
  • transcutaneous pacing

Management of Adult Cardiac Arrest

Emergency medical care for patients in cardiac arrest involves high-quality CPR, defibrillation for VF or pulseless VT, and management of asystole or PEA.

  • Ventricular fibrillation
  • Pulseless ventricular tachycardia
  • Asystole
  • Pulseless electrical activity
  • Defibrillation
  • Automated external defibrillator
  • High-quality CPR
  • Return of spontaneous circulation
  • Chest compressions
  • Ventilation
  • Epinephrine administration
  • Intraosseous access
  • Refractory VF/VT
  • Post-cardiac arrest care

Pathophysiology and Management of Cardiovascular Conditions

This content covers the pathophysiology, assessment, and management of acute coronary syndromes, myocardial infarction, and heart failure.

  • Brugada syndrome
  • Long QT syndrome
  • Acute coronary syndromes
  • Atherosclerosis
  • Unstable angina
  • Microvascular angina
  • Acute myocardial infarction
  • NSTEMI
  • Reperfusion therapy
  • Fibrinolytic therapy
  • Percutaneous coronary intervention
  • Left ventricular failure
  • Right ventricular failure
  • Cor pulmonale
  • Cardiogenic shock
  • Compensatory mechanisms

Emergency Management of Cardiovascular Conditions

This document outlines the assessment, pathophysiology, and management of various cardiovascular emergencies including ventricular assist devices, cardiac tamponade, cardiogenic shock, hypertensive emergencies, infectious diseases of the heart, aortic dissection, and acute arterial occlusion.

  • Ventricular assist devices (VADs)
  • Cardiac tamponade
  • Pericardiocentesis
  • Cardiogenic shock
  • Hypertensive emergency
  • Hypertensive urgency
  • Endocarditis
  • Pericarditis
  • Myocarditis
  • Rheumatic fever
  • Aortic aneurysm
  • Aortic dissection
  • Acute arterial occlusion
  • Acute limb ischemia
  • Five Ps of acute arterial occlusion
  • Deep vein thrombosis (DVT)
  • Thrombophlebitis

Cardiac Anatomy, Physiology, and Electrophysiology

Cardiovascular Anatomy and Clinical Assessment

An introduction to cardiovascular disease, heart anatomy, and clinical assessment techniques for cardiac patients.

  • Cardiovascular disease
  • Coronary heart disease
  • Myocardial infarction
  • Cardiac arrest
  • Heart chambers
  • Myocardium
  • Coronary arteries
  • Cardiac cell properties
  • Cardiac conduction system
  • Sympathetic and parasympathetic nerve stimulation
  • Acute coronary syndromes
  • Primary survey ABCDE
  • Physical examination findings
  • Pulse deficit
  • Blood pressure findings

Cardiology Heart Sounds and Conduction

This lecture covers heart sounds, cardiac action potential, the conduction system, and autonomic nervous system effects on the heart.

  • Heart sounds (S1, S2, S3, S4)
  • Depolarization and repolarization
  • Cardiac action potential phases
  • Conduction system (SA-node, AV-node, Bundle of His, Purkinje fibers)
  • Accessory conduction pathways
  • Sympathetic and parasympathetic nervous system
  • Baroreceptors and chemoreceptors

Cardiac Anatomy, Physiology, and Electrophysiology

This material covers cardiac anatomy, physiology, and electrophysiology including blood flow, coronary circulation, and the autonomic nervous system.

  • Ejection Fraction
  • Stroke Volume
  • Cardiac Output
  • Cardiac Anatomy
  • Heart Layers
  • Pericardium
  • Blood Flow Through the Heart
  • Coronary Circulation
  • Collateral Circulation
  • Peripheral Circulation
  • Diastole
  • Cardiac Axis
  • Autonomic Nervous System
  • Sympathetic Nervous System
  • Parasympathetic Nervous System
  • Cardiac Electrolytes
  • Electrophysiology
  • Cardiac Conduction

Cardiac Assessment and Myocardial Electrophysiology

This content covers secondary assessment of cardiac complaints, physical exam findings, heart sounds, and the phases of the cardiac action potential.

  • Secondary assessment
  • Jugular venous pressure
  • Pulsus paradoxus
  • Pulsus alternans
  • Hypertension
  • Hypotension
  • Depolarization
  • Repolarization
  • Cardiac action potential
  • Phase 0 to phase 4
  • Sodium-potassium pump

Cardiac Conduction and Autonomic Regulation

This text details the electrical activity of the heart, including phases of repolarization, the conduction system, and the influence of the autonomic nervous system.

  • Phase 3 repolarization
  • Phase 4 resting membrane potential
  • Absolute and relative refractory periods
  • SA node and AV node
  • Internodal pathways
  • Bundle of His and bundle branches
  • Purkinje fibers
  • Accessory conduction pathways
  • Sympathetic and parasympathetic nervous systems
  • Norepinephrine and acetylcholine
  • Vagus nerve
  • Baroreceptors and chemoreceptors
  • Electrocardiogram (ECG) leads

EKG Interpretation and Cardiac Rhythm Management

Arrhythmia Interpretation and Classification Methods

Methods for arrhythmia interpretation include identifying P-QRS-T waves, measuring PRI and QRS duration, determining rhythm regularity, and calculating heart rate.

  • Arrhythmia interpretation method
  • Rhythm regularity
  • 6-second method
  • Sequence method
  • 1,500 method
  • Arrhythmia classifications
  • Normal Sinus Rhythm (NSR)

EKG Interpretation and Monitoring Fundamentals

A guide to EKG interpretation covering electrical activity, lead types, paper measurements, and the five step process for analyzing rhythm.

  • EKG interpretation
  • 4 lead EKG
  • 12 lead EKG
  • Telemetry
  • EKG paper measurements
  • Bipolar leads
  • Augmented leads
  • Precordial leads
  • P-wave
  • PR interval
  • QRS complex
  • T-wave
  • QT interval
  • Refractory period
  • Rate calculation methods
  • Rhythm regularity
  • Ectopic beats

EKG Interpretation of Cardiac Rhythms

This text details the rate, rhythm, P-wave, PRI, and QRS characteristics, etiology, and clinical significance of various sinus, atrial, junctional, heart block, and ventricular rhythms.

  • Normal Sinus Rhythm
  • Sinus Tachycardia
  • Sinus Dysrhythmia
  • Sinus Arrest
  • Wandering Pacemaker
  • Premature Atrial Complex
  • Supraventricular Tachycardia
  • Atrial Fibrillation
  • Premature Junctional Complex
  • Junctional Escape Rhythm
  • Accelerated Junctional Rhythm
  • Junctional Tachycardia
  • Third Degree Complete Heart Block
  • Second Degree Type II
  • Premature Ventricular Contraction
  • Idioventricular Ventricular Escape Rhythm
  • Polymorphic Ventricular Tachycardia

12-Lead EKG Interpretation and STEMI Identification

A guide to 12-lead EKG acquisition, interpretation methods, and identifying cardiac abnormalities, conduction system disturbances, bundle branch blocks, and ST-segment elevated myocardial infarction (STEMI) related to vessel occlusions.

  • 12-lead EKG indications
  • Acquisition modes
  • Lead placement
  • Seven-step interpretation method
  • Arrhythmia interpretation
  • QRS axis and vector
  • Bundle branch blocks
  • Conduction system disturbances
  • Chamber size evaluation
  • Right ventricular hypertrophy
  • Left ventricular hypertrophy
  • Ischemia, injury, and infarction
  • ST-segment depression and elevation
  • Pathologic Q-waves
  • Benign early repolarization
  • Pericarditis
  • Pulmonary embolism
  • Hypothermia
  • Electrolyte imbalances
  • Hyperkalemia

Electrocardiogram Leads and Cardiac Monitoring

This material covers electrode placement principles, lead groups including limb and precordial leads, and the interpretation of ECG waveforms, segments, and intervals.

  • Cardiac Arrhythmia Causes
  • Electrocardiogram (EKG) limb leads
  • Precordial leads
  • Augmented limb leads
  • Einthoven’s theory
  • Electrode placement principles
  • 12-lead EKG
  • 15-lead and 18-lead EKG
  • EKG paper speed and amplitude
  • P-wave
  • PR-interval (PRI)
  • QRS-complex
  • J-point
  • ST-segment
  • T-wave
  • U-wave
  • QT-interval
  • TP-segment
  • R-R interval
  • electrode placement

ECG Waveform and Rhythm Interpretation

Lecture outlines covering ECG waveform components, interval measurements, and methods for determining heart rate and rhythm regularity.

  • P wave
  • PR interval
  • QRS complex
  • ventricular depolarization
  • Q wave
  • R wave
  • S wave
  • R-prime wave
  • J point
  • ST segment
  • T wave
  • ventricular repolarization
  • U wave
  • QT interval
  • TP segment
  • R-R interval
  • rhythm regularity
  • 6-second method
  • sequence method
  • 1,500 method

Clinical Management of Cardiac Rhythms and Arrest

This content covers the identification and treatment plans for sinus, atrial, junctional, and ventricular rhythms, alongside high-quality CPR and management for adult cardiac arrest.

  • Normal sinus rhythm
  • Sinus Tachycardia
  • Sinus Arrhythmia
  • Sinus Arrest
  • Sick Sinus Syndrome
  • Atrial Rhythms
  • Premature Atrial Contraction
  • Supraventricular Tachycardia
  • AV-Nodal Reentrant Tachycardia
  • Atrial fibrillation
  • Wandering Atrial Pacemaker (WAP)
  • Multifocal Atrial Tachycardia (MAT)
  • Junctional rhythms
  • Premature Junctional Contraction (PJC)
  • Junctional Escape Rhythm (JER)
  • Accelerated Junctional Rhythm (AJR)
  • Junctional Tachycardia (JT)
  • Ventricular rhythms
  • Premature Ventricular Contraction (PVC)
  • Ventricular Tachycardia (VT)

Atrioventricular Blocks and 12-Lead ECG Interpretation

This content covers atrioventricular blocks, artificial pacemaker rhythms, and the seven-step method for 12-lead ECG interpretation.

  • Second-degree AV block type I
  • Artificial pacemaker rhythms
  • Pacemaker failure modes
  • 12-lead ECG acquisition modes
  • QRS axis and deviation
  • Bundle branch blocks
  • Fascicular blocks
  • Chamber size abnormalities
  • Ischemia, injury, and infarction
  • Reciprocal changes
  • Noncardiac causes of ECG abnormalities
  • Electrolyte imbalances
  • Cardiomyopathy

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