Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
CHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself become Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2es the pacemaker (escape rhythm). This is called Idioventricular Rhythm. Ventricular signals are transmitted cell-to-cell between cardiomyocytes and not by the conduction system, creating wide sometimes bizarre QRS complexes(> 0.12sec)Rate: 20-40 bpmRhythm: Regularp waves: NonePR interval: NoneQRS : Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2 Wide (>0.10 sec). Bizzare type appearanceIdioventricular rhythms occur when all of the heart’s other pacemakers fail to function or when supraventricEbook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
ular impulses can't reach the ventricles because of a block in the conduction system.Ventricular arrhythmias originate in the ventricles below the bunCHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself become Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2ated idioventricular rhythm. The rate of 20-40 is the"intrinsic automaticity" of the ventricular myocardium.Bizzare appearance : The T wave and the QRS complex deflect in opposite directions because of the difference in the action potential during ventricular depolarization and repolarization, p wav Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2e is absent because depolarization of atria docs not occur.The arrhythmias may accompany third-degree heart block or be caused by anything which damagEbook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
es AV node like infarction or blocks it like digoxin.ACCELETATED IDIOVENTRICULAR RHYTHMSame as Idioventricular rhytm, only difference is, heart rate. CHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself become Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2aranceIdioventricular rhythms appear when supraventricular pacing sites are depressed or absent. If the heart ratebecome slow, diminished cardiac output is expected.History is helpful for identifying the underlying etiology for Al VR. Most patients with Al VR presents with chest pain or shortness of Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2 breath (symptoms related to myocardial ischemia with history of myocardial reperfusion with drugs or coronary artery interventions.) ,Plus PeripheralEbook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
edema, cyanosis, clubbing, (With the history of cardiomyopathy, myocarditis, and congenital heart diseases )Treatment: Idioventricular rhythm should CHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself become Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2red to increase his heart rate, improve cardiac output and establish a normal rhythm. Treat the Underlying Cause.In life-threatening situations in which time is critical, a transcutaneous pacemaker may be used to regulate heart rate.VENTRICULAR TACHYCARDIA (MONOMORPHIC)Ventricular tachycardia refers Ebook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2 to any rhythm faster than 100 beats per minute, with 3 or more irregular beats in a row, arising distal to the bundle of His. In Monomorphic type, ThEbook ECG short rapid review for non-Cardiologists (edition 2.1): Part 2
e shape, size and amplitude of QRS complex will be samew'de150»——II ■ ■ ,Mo p ujctve.WWY'fmRate: 100-250 bpmRhythm: RegularCHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself becomeCHAPTER 4 : VENTRICULAR ARRYTHMIASIDIOVENTRICULAR RHYTHMIf the ventricle does not receive triggering signals, the ventricular myocardium itself becomeGọi ngay
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