Cardiology revision notes, covering ecg interpretation and key cardiology conditions. Pain sense of doom inability to breathe explain situation and provide emotional support. Neil townsend michaelmas term 2001 university of oxford. Ecg terminology and diagnostic criteria often vary from book to book and from one teacher to another.
Nurse should explain the situation to patientfamily. Discuss a systematic approach to rhythm interpretation. Electrocardiographyecg brainkart lecture notes study. Rate number of ps atrial rs ventricular per minute 6 second 30 squares x 10 minute rate.
Electrocardiography ecg a very widely used medical instrument, which is utilized to diagnose and monitor cardiac beat abnormalities, is the electrocardiograph. Electrocardiogram it is a graphic recording of changes of total electromotive force of heart a sum vector during spreading. Learn the skills needed to work as an ekg technician or ekg monitor observer. Ekg basics training and drills ekg heart sounds and. I will mostly use ecg from here on, with some ekg or both, as is commonly done by others and in the literature and youll need to get used to it. Najeeb handwritten notes for all subjects pdf free.
Similar charges moving towards similar electrode will produce positive deflection. Free medical lecture notes, study guides, and exam help for medical students. To emphasize that the ecg is part of the general assessment of a patient, each chapter begins with a brief section on history and examination and ends with a short account of what might be done once the ecg has been interpreted. It measures the electrical activity of the heart more precisely biopotential differences arising from the electrical activity of myocardium. Easy ecg powerpoint presentations if not, visit now itself. Qt interval this intervalqt interval this interval spans the onset of depolarisation to the completion of repolarization of the ventriclesof the ventricles. Ecg knowledge for medical students and physicians amboss. Medical surgical nursing cardio lecture 10 the student. Medcram medical videos, medical lectures, medical illustrations, and medical animations are for medical education and exam.
Basic ecg rhythm interpretation objectives at the completion of this course the learner will be able to. Medcram medical videos do not provide medical advice and are for informational purposes only. Plasma membrane, transport, organelles muscle physiology neurophysiology reflex physiology. Identify the sequence of normal electrical activation of the heart. Join our newsletter and get our free ecg pocket guide. Function of galvanometer is to detect the electrical activity in any object where its electrode are placed i when there is electrical activity in the myocardial cells. Many of the lessons in this course have ecg practice drills. Always indicates heart disease, usually of the left side of the heartside of the heart hard to interpret an ecg with lbbb lead v1 q wave and an s wave lead v6 an r wave followed by another r wave lead v6 rabbit ears. Below is the complete table of contents offered inside dr. An easier road through medical university is only one click away. Conquering the ecg cardiology explained ncbi bookshelf.
Introduction to ecg online 12lead ecg interpretation course. Ecg data for analysis section 1117 ecg data for analysis section 1116 ecg data for analysis section 1115. Some of the lecture notes are chapters derived from 19992001 course notes written by dr. The leads provide views of the heart, and the standard ecg has 12 leads 12 views. Describe the physiology of cardiac muscle contraction. Electrocardiography scientific computing and imaging. This method includes assessment of rhythm, calculating heart rate, observing pwave forms, measurement of ekg intervals and segments and the evaluation of other relevant waves. Lecture notes biomedical signal and image processing. Electrocardiogram interpretation kathleen rhodes, rn, fnpc 3 simple objectives. Educate patient with ss and explain what is going on because they feel. Handwritten marrow notes promote remembering the content better than typed notes.
Automaticity it is ability of heart to initiate electric impulses in the absence. The electrocardiogram ecg, introduced at the beginning of these lecture notes, is a record of the potentials measured at the outer surface of this medium ie on the surface of the body. Einthovens first published ekg, 1902 i do not however imagine that the string galvanometeris likely to. Handwritten notes from dr najeeb videos on about 12 topics. Electrocardiogram ekg electrocardiogram ekg program details program highlights. Given a rhythm strip, identify sinus, atrial, junctional and ventricular dysrhythmias, and atrioventricular blocks. Pacemaker spikes qrs duration, other intervals axis q waves pattern read. Learn vocabulary, terms, and more with flashcards, games, and other study tools. To ensure usersafety and faster downloads, we have uploaded this. Note that rightsided ecgs and posterior ecgs can be helpful and are.
Free biophysics lecture notes, study guide and exam help. In this tutorial an attempt has been made to conform to standardized terminology and criteria, although new diagnostic concepts derived from the recent ecg. If any pathology was identified, refer to the appropriate, individual section. Prepladder notes allow you to focus more on whats being discussed, rather than on trying to catch bits here and there to copy down. Pr interval impulse from atria to ventricles to ventricles. Pr intervals and qrs complexes are of normal duration. The av can spontaneously generate an impulse btwn 4060 bpm and this is usually an escape mechanism or rescue mechanism. Dean keller, md related cardiovascular medicine videos. The ecg provides a graphic picture of the electrical waves of depolarization and repolarization.
Weve already talked about the genesis of the ecg signal. Free online 12lead ecg interpretation course starting with a tutorial on ecg basics. Ecg uses external electrodes to measure the electrical conduction signals of the. Week 3 hours 1724 lecture 6 hours lab 2 hours describe patient preparation for ecg tests. Electrocardiography ecg is an important diagnostic tool in cardiology. Melissa stiles discuss the basics of electrocardiogram ecg interpretation.
Free biophysics lecture notes, study guide and exam help for medical, dentistry and nursing students. Electrocardiogram it is a graphic recording of changes of total electromotive force of heart. Conductibility it is ability of specialized conducting tissue and ordinary muscles to conduct. These chapters are presented courtesy of the authors and used with permission. Najeeb lectures are the worlds most popular medical lectures.
Augmented limb leads unipolar wet, dry and insulating a typical surface electrode used for ecg recording is made of ag agcl, as shown on right figure. Ekg interpretation, and for further reading, the dubin textbook is the introductory book of choice. Ecg analysis is a routine part of any complete medical evaluation, due to the hearts essential role in human health and disease, and the relative ease of recording and analyzing the ecg in a noninvasive manner. Compare to previous ecg be systematic rate, rhythm. Clinical examination a comprehensive collection of clinical examination osce guides that include stepbystep images of key steps, video demonstrations and pdf mark schemes. N, man medical and surgical nursing cardiovascular system lecturer. Interpretation and management guide, second edition. It is transmitted to the ecg monitor via the leads. You can use them for quick reference while watching the video lectures. Function of galvanometer is to detect the electrical activity in any object where its electrode are placed i when there is. It is actually only measured from the beginning p to the beginning of the q wave think of it as a p to q measurement despite the fac t that it is called a pr interval. Ecg interpretation made easy how to read a 12 lead ekg. Electrocardiogram it is a graphic recording of changes of total electromotive force of heart a sum vector during spreading excitation wave in the heart functions of myocardium that can be evaluated by the electrocardiography.
This 60hour program is an accelerated course and is recommended for professional growth for medical professionals. Easy ecg powerpoint presentations medical lecture notes. Furthermore, all medcram materials including medical videos, notes, quizzes, tests, discussions, and other information are not intended to be a substitute for. Describe the process for interpretation of a 12 lead ecg. Best selling notes for medical students from the last year. It is also very important to note that deflections in the ecg waveform represent the change in electrical activity caused by atrial or ventricular depolarization and. Ecg interpretation clearly illustrated with expert instructor dr. If you are going to prepare a seminar you can compare with multiple similar presentations given here, some times if you are busy you can use these slides as such without any modification or with slight modification. Start studying cardiology lecture 4 diagnostic studies. These lecture notes are sole property of original uploaders. The av node s impulse is portrayed as the pr interval on the ekg. These may become apparent later in the course of the disease or. Lmca stenosis only apply this rule when you see ischemic sts elsewhere in the ecg doesnt apply to svts st changes are common with svts, no clinical relevance.
Ekg interpretation master basics concepts of ecg youtube. New york heart association nyha functional classification class function i ordinary physical activity does not evoke symptoms fatigue, palpitation, dyspnea, or angina. Ecg bioengineering 6000 cv physiology components of the electrocardiogram ecg source potential differences within the heart spatially distributed and time varying volume conductor inhomogeneous and anisotropic unique to each individual boundary effects ecg measurement body surface potentials bipolar versus. Sample syllabus pennsylvania department of education. Najeeb handwritten notes for all subjects pdf using direct links which can be found at the end of this blog post. Helps you to mark the most relevant topic and point in your textbooks. Physiology, general pathology, embryology, biochemistry, cardiovascualr pathology, histology, microbiology, renal pathology, pharmacology, ecg, new neuroanatomy and physiology, hematology and lymphoid system. The bundle of his is the freeway system of the heart.
The electrical axis of the heart ventricles is a projection of a sum electromotive force vector of ventricular depolarization in the frontal plane. Best of the best in cardiology university of maryland. This site is a collection of helpful resources for pediatric cardiology fellows. Ecg demonstrating atrial flutter note the characteristic sawtooth waveform. Changes in conduction through the av node are the most common cause of changes in the pr. Typical ecg waveform obtained at the bodys surface. The heart itself is a complex organ and the electrical patterns coming from it can seem very complex, confusing, and even overwhelming. These waves are transmitted to the body surface and picked up by conductive gel within the electrode pads. In this article, we are sharing with our audience the genuine pdf download of dr. Cardiology lecture 4 diagnostic studies flashcards quizlet. Medical lecture notes online anatomy physiology biochem pathology pharmacology microbiology forensic ophthalmology e n t medicine gynaecology obstetrics surgery paediatrics and many more subjects lecture notes online. Chapter 9 was also originally coauthored by paul albrecht. Ecg machine works on the principle of galvanometer.