ECG Introduction to ECG interpretation Video lecture: The ECG curve: P wave, PR Interval, Q wave, R wave, S wave, QRS complex, ST segment, T…

…circulation is high, the majority of the blood entering the pulmonary artery will be shunted through the ductus arteriosus into the aorta. It is important…

…circulation is high, the majority of the blood entering the pulmonary artery will be shunted through the ductus arteriosus into the aorta. It is important…

ECG Introduction to ECG interpretation The electrical axis of the heart Although often ignored, assessment of the electrical axis is an integral part of ECG…

…Introduction to ECG interpretation The electrical axis of the heart (heart axis) Although often ignored, assessment of the electrical axis is an integral part of…

…endocardium, where they deliver the action potential to contractile cells. The subsequent spread of the action potential occur from one contractile cell to another, starting…

ECG Introduction to ECG interpretation ECG Interpretation: definitions, criteria, and characteristics of the normal ECG waves, intervals, durations and rhythm This is arguably one of…

…sinus node–and an electrical conduction system composed of specialized myocardial cells. Conduction cells form bundles of fibers that spread the action potential rapidly and…

ECG Introduction to ECG interpretation Standard display of ECG leads in the 12 lead ECG Numerous conditions that can be diagnosed using the 12 lead…

…coronary care unit (CCU), regular wards and rehabilitation facilities. Depending on the cause of the arrest, other units may be critical (e.g. trauma unit)…

…proved that beta blockers prolong life, alleviate symptoms and reduce the risk of hospitalization for patients with heart failure. Several landmark studies followed and proved…

…of the arteries. It has become increasingly clear in the past few decades that atherosclerosis is not caused by the passive deposition of lipids into…

ECG Exercise stress test Introduction to exercise stress test (treadmill test, exercise stress ECG) Exercise stress testing has been used routinely for over 60 years…

ECG Introduction The traditional classification of acute coronary syndromes (ACS) into ST segment elevation myocardial infarction (STEMI), non STEMI (NSTEMI), and unstable angina (UA) has…

ECG Introduction to ECG interpretation 1. Which of the following ECG findings is typically considered a normal variant in asymptomatic athletes with no significant family…

…purpose of this discussion it is important to distinguish between two main types of cardiac cells: Conduction cells form the fiber networks that sprout into…

ECG Introduction to ECG interpretation Physiology and ECG features of the P wave, PR interval and PR segment The P wave ECG interpretation usually starts…

ECG Introduction to ECG interpretation The normal T wave Assessment of the T wave represents a difficult but fundamental part of ECG interpretation. The normal…

…death (SCD), Brugada syndrome (BrS) has evolved from an obscure electrocardiographic curiosity into a major focus of contemporary cardiac electrophysiology [1] . Recognized as a primary…

…Syndrome) [1] . Underlying Etiologies The etiology of VT is broadly dichotomized into structural heart disease (SHD) and structurally normal hearts, a division that profoundly influences…

Cardiology Myocardial ischemia and infarction Introduction Clinical assessment of coronary artery disease (CAD) requires integration of symptoms, cardiovascular risk, coronary anatomy, myocardial ischaemia, ventricular function…

Introduction to Coronary Atherosclerosis, Plaques, Atherothrombosis Coronary atherosclerosis is a chronic, progressive, and highly dynamic inflammatory disease of the arterial wall. It is characterized by…

ECG Introduction to ECG interpretation QT duration and corrected QT (QTc) duration ECG interpretation always includes an assessment of the QT interval (QT duration). The…

ECG Introduction to ECG interpretation Lathundar The Cardiac Electrical Axis: Definition, Clinical Implications, and Deviations Definition and Mechanism of the Electrical Axis The heart's…

ECG Introduction to ECG interpretation The ST segment: physiology, normal appearance, ST depression & ST elevation The ST segment corresponds to the plateau phase of the…

ECG Introduction to ECG interpretation A systematic approach to ECG interpretation: an efficient and safe method The ECG must always be interpreted systematically. Failure to…

…enabling depolarization and repolarization, and between cells via gap junctions, facilitating the propagation of depolarization across the cells. Electrical potential differences arise as the electrical…

Cardiology Clinical medicine Introduction Cardiovascular disease becomes increasingly prevalent with advancing age, while its clinical expression and management become progressively more complex. Older adults, often…

…These cells must be stimulated in order to evoke an action potential. Upon stimulation, sodium (Na+) channels open which causes a rapid influx of sodium…

Myocardial ischemia and infarction Introduction Drug eluting stents (DES) are the predominant device used during percutaneous coronary intervention (PCI). They evolved from balloon angioplasty and…

…the basic concepts of AV blocks (refer to Introduction to AV Blocks). The term block is somewhat imprecise in the context of first degree AV…

…the relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test Indications have been discussed in Introduction to Exercise…

…on AV blocks (refer to Introduction to AV Blocks). Second degree AV block is defined by the intermittent failure of atrial impulses to conduct to…

ECG Video lecture: Introduction to Electrocardiology and ECG Interpretation