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In Acute High Lateral Myocardial Infarction, There Is Indicative ST Segment Elevation In Leads I And AVL, And Corresponding ST Segment Depression In Leads II, III And AVF.
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Electromechanical Separation Is A Kind Of Terminal ECG. The Patient's ECG Has Electrical Signals, The ECG Wave Is Widened With Morphological Abnormalities, And The Ventricle Has No Contraction.
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The Illustration Shows The Two Patterns Of Ventricular Tachycardia Episodes.The Green Circle Represents Sinus Rhythm. Picture A Shows Paroxysmal Episodes Of Ventricular Tachycardia, And Picture B Shows Short Bursts.
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Sometimes, Left Ventricular Hypertrophy With Tall T Waves Is Easily Misdiagnosed As Hyperkalemia And Hyperacute T Waves, And ECG Needs To Be Carefully Identified In Combination With Clinic.
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Bidirectional Ventricular Tachycardia Is A Kind Of Malignant Arrhythmia. The Polarity Of QRS Main Wave Alternates From Beat To Beat, And It Is Easy To Degenerate Into Ventricular Fibrillation.
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A 36 Year Old Man Survived CPR After Sudden Syncope. The Electrocardiogram Was Suggestive Of Brugada Syndrome Type 1. Implantation Of ICD Therapy.
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During Left Posterior Fascicular Block, The ECG Showed Right Axis Deviation. The QRS Wave In Leads I And AVL Was RS Wave, And The Duration Of QRS Wave Was Less Than 120 Ms.
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Torsade De Pointes Refers To The Pleomorphic Ventricular Tachycardia That Occurs In The Background Of Long QT Interval, And The Polarity Of QRS Wave Twists Around The Equipotential Line.
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Schemes Set Of Common Electrocardiogram (ECG) Abnormalities, Including Partial Blocks And Flutter
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R Wave Greater Than S Wave Is Judged To Be Positive; R Smaller Than S Is Judged To Be Negative; R Equal To S Amplitude Is Judged To Be Equipotential.
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Sometimes, Because The QRS Axis Is In The Upper Left Quadrant, The High-amplitude R Wave Of Left Ventricular Hypertrophy Occurs In The Limb Leads, And Left Chest Leads Is Normal.
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A Patient With Acute Extensive Anterior Myocardial Infarction Developed Ventricular Tachycardia During Hospitalization And Quickly Experienced Cardiac Arrest.
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Note That The V3 Lead Of This ECG Shows That The Amplitude Of R Wave Is Greater Than The Amplitude Of S Wave, And There Is Counterclockwise Rotation.
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Generally, When The Sinus Heart Rate Is Below 60 Beats Per Minute, It Is Called Sinus Bradycardia. This Arrhythmia Can Be Both Physiological And Often Pathological.
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Male, 60 Years Old, Clinically Diagnosed As Acute Extensive Anterior Wall Myocardial Infarction. The Patient Died Of Ventricular Fibrillation After Admission.
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Male, 60 Years Old, Clinically Diagnosed As Acute Extensive Anterior Wall Myocardial Infarction. The Patient Died Of Ventricular Fibrillation After Admission.
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The QT Interval Of ECG Is From The Beginning Of QRS Wave To The End Of T Wave, Representing The Total Time Of Ventricular Depolarization And Repolarization.
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During The Onset Of Variant Angina Pectoris, ECG Is Divided Into Non Fusion Wave, Partial Fusion Wave And Complete Fusion Wave According To The Fusion Degree Of QRS Wave, ST Segment And T Wave.
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In Acute Myocardial Ischemia, The Amplitude Of T Wave Is Increased First, And Then The ST Segment Is Elevated. When The End Of QRS Wave Is Deformed, There Is A Lack Of Collateral Circulation.
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Female, 51 Years Old, Diagnosed With Mitral Stenosis. When This ECG Was Taken, The Patient Still Maintained Sinus Rhythm.Note That The P Wave Duration Was Widened.
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EKG Showing Normal Heartbeat Wave. ECG Of Normal Sinus Rhythm Infographic Diagram.
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Ventricular Tachyarrhythmia Includes Many Clinical Types, Some Benign And Some Malignant. For Malignant Ventricular Arrhythmias, Patients Are At Risk Of Death.
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A 14-year-old Leukemic Child Had A Sudden Wide QRS Tachycardia With A Frequency Of 167 Bpm, And The Rhythm Was Regular. After Anti-arrhythmia Treatment, The Patient Recovered To Sinus Rhythm.
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Atrial Depolarization Forms A P Wave, Ventricular Depolarization Forms A QRS Wave, And Ventricular Repolarization Forms A T Wave, Which Constitutes A Common Waveform Of The Electrocardiogram.
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At Present, There Is A Younger Trend In Patients With Acute Myocardial Infarction, So It Is Important To Check The ECG For Acute Chest Pain In Young People.
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In Case Of Acute Anterior Myocardial Infarction, The Characteristics Of ST Segment Elevation In ECG Can Be Used To Deduce Whether The Culprit Vessel System Is The Left Main Trunk Or The Proximal LAD.
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Coronary Artery Spasm Causes Transmural Myocardial Ischemia, And ST Segment Elevation In ECG Has Localization Characteristics. Criminal Vessels Can Be Derived From ST Segment Elevation Leads In ECG.
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The Conduction System Of The Heart Is Supplied By The Branches Of The Coronary Artery. Once The Blood Vessels Are Blocked, It Can Cause Conduction Disorder. This Picture Is Suitable For Dark Background. This Picture Is Suitable For Light Background.
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In Complete Left Bundle Branch Block, The Conduction Of The LBB Can Be Completely Interrupted Or Can Still Be Conducted, But It Is Delayed By At Least 45ms Than The RBB.
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The Left Main Coronary Artery Can Be Divided Into The Left Anterior Descending Artery And The Left Circumflex Artery, And Sometimes The Intermediate Branch Artery.
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When The Left Free Wall And Septal Accessory Pathway Are Excited, Preexcitation Waves With Different Polarities Are Generated In Leads And AVL.
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Male, 84 Years Old, Admitted To Hospital With Chest Pain For 1 Day. ECG Showed Acute Inferior And Posterior MI And Possibly Right MI. The Patient Died Of Ventricular Fibrillation The Next Day.
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A 4-year-old Boy With A Clinical Diagnosis Of Long QT Syndrome. No Genetic Testing Was Done During Hospitalization. The Child Died Suddenly During Follow-up.
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When Sinus Arrest Occurs, The Electrocardiogram Will Show A Long P-P Interval, Which Is Not Multiples Of The Basal Sinus Cycle, Including Physiological And Pathological Reasons.
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When The Rhythm Of The Atria Originates In The Lower Part Of The Atria, The Whole Atria Are Excited From Inferior To Superior, Producing Negative P Waves In The Inferior Leads.
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Male, 84 Years Old, Admitted To Hospital With Chest Pain For 1 Day. These ECG Rhythms Are The Holter Monitor Records Of The Patients After Admission, And They Are Third Degree Atrioventricular Block.
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On The Electrocardiogram, Observing The Morphology Of QRS Waves In Lead V1 Can Distinguish Whether Ventricular Pre Excitation Is Located In The Left Ventricle Or The Right Ventricle.
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Four Anatomical Malformations Of Tetralogy Of Fallot: 1 Aortic Straddling; 2 Ventricular Septal Defect; 3 Right Ventricular Hypertrophy And 4 Pulmonary Artery Stenosis.
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When The Ventricular Preexcitation Wave Leaves The Baseline And Then Falls Back To The Baseline, It Is Interpreted As An Isoelectric Line Preexcitation Wave.
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When The Left Anterior Wall And Posterior Wall Accessory Pathway Are Excited, Preexcitation Waves With Different Polarities Are Generated In The Inferior Wall Leads Of , And AVF.
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When The Sinus P Wave On The Ecg Disappears, It May Be Due To Abnormal Generation And/or Conduction Of Sinus Impulses, Or It May Be Due To Atrial Muscle Lesions That Cannot Excite.
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Mechanical Ventilation Waves. Volume, Flow And Pressure Curves From A Mechanical Ventilator.
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Male, 71 Years Old, Was Clinically Diagnosed With Upper Gastrointestinal Bleeding. During Sleep At Night, ECG Monitoring Showed Sinus Bradycardia, Blood Pressure 115 And 70mmHg.
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Ventricular Preexcitation Is The Pre Excitation Of A Portion Of The Ventricular Muscle By The Accessory Pathway, Forming A Rough And Dull, And Fuzzy Wave That Can Be Positive, Negative, Or Biphasic.
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Ventricular Preexcitation Is A Fusion Wave Formed By The Accessory Pathway And Normal Atrioventricular Conduction System Exciting A Part Of Ventricle Respectively.
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Abnormal ECG Refers To Changes In Depolarization Waves And Or Repolarization Waves, Most Of Which Are Pathologic And Few Are Physiological.
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When Ventricular Preexcitation Components Occupy Different Proportions Of QRS Waves, The Measured PJ Intervals Are Different.
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On The Electrocardiogram, Observing The Morphology Of QRS Waves In Lead V1 Can Distinguish Whether Ventricular Pre Excitation Is Located In The Left Ventricle Or The Right Ventricle.
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In ST Segment Elevation Myocardial Infarction, The ST-T Of ECG Will Undergo A Characteristic Evolution Process, And Finally Appear Pathological Q Wave, Sometimes Lasting For A Lifetime.
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