gemc - trauma - cardiology and ekg interpretation - for medical students
DESCRIPTION
This is a lecture by Dr. Patrick Carter from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.TRANSCRIPT
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Project: Ghana Emergency Medicine Collaborative Document Title: Cardiology – EKG Interpretation Author(s): Patrick Carter (University of Michigan), MD 2012 License: Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/
We have reviewed this material in accordance with U.S. Copyright Law and have tried to maximize your ability to use, share, and adapt it. These lectures have been modified in the process of making a publicly shareable version. The citation key on the following slide provides information about how you may share and adapt this material. Copyright holders of content included in this material should contact [email protected] with any questions, corrections, or clarification regarding the use of content. For more information about how to cite these materials visit http://open.umich.edu/privacy-and-terms-use. Any medical information in this material is intended to inform and educate and is not a tool for self-diagnosis or a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional. Please speak to your physician if you have questions about your medical condition. Viewer discretion is advised: Some medical content is graphic and may not be suitable for all viewers.
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#"
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5@<"=2*'+"2>4"?>7'3*26+"• P wave: the sequential activation
(depolarization) of the right and left atria
• QRS complex: right and left ventricular depolarization (normally the ventricles are activated simultaneously)
• ST-T wave: ventricular repolarization
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5@<"=2*'+"2>4"?>7'3*26+"• U wave: origin for this wave is not clear - but
probably represents "after depolarizations" in the ventricles
• PR interval: time interval from onset of atrial depolarization (P wave) to onset of ventricular depolarization (QRS complex)
• QRS duration: duration of ventricular muscle depolarization
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5@<"=2*'+"2>4"?>7'3*26+"• QT interval: duration of ventricular depolarization
and repolarization
• RR interval: duration of ventricular cardiac cycle (an indicator of ventricular rate)
• PP interval: duration of atrial cycle (an indicator or atrial rate)
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19232(7'3-+)(+"/0"2"h:/(234-26"?>023(7"A. Anterior Infarction
A. V1,V2,V3,V4 B. Left Anterior Descending (LAD)
B. Lateral Infarction A. I, AVL B. Circumflex branch of Left Coronary Artery
C. Posterior Infarction A. Depression in V1,V2,V3 B. Right Coronary C. Provides blood supply to SA Node, AV Node, His Bundle
D. Inferior Infarction A. II, III, AVF B. Right or Left Coronary
A. Most Commonly Right Coronary
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1/C86'7'"['237"H6/(`"• 1/C86'7'"4-++/(-2)/>"/0"273-26"2>4"*'>73-(F623"2()*-7:"
• ,'+F67+"03/C"(/>4F()/>"%6/(`""– A'*'6"/0"79'"E]">/4'"– HF>46'"/0"[-+"– QF3`->&'"g%'3+"
• G3'27C'>7"– E73/8->'""
• k+'"12F)/F+6:"->"82)'>7+".Z"h?"2>4".-4'"V,W"(/C86'I'+"
– G32>+(F72>'/F+"Q2(->;"– G32>+*'>/F+"Q2(->;"
KL"
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CFG'E-A?4:?C'
KM"
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b-r'3'>)26"b-2;>/+-+"/0"G2(9:(234-2"
Tachycardia Narrow Complex Wide Complex
Regular ST SVT Atrial flutter
ST w/ aberrancy SVT w/ aberrancy
VT
Irregular A-fib A-flutter w/ variable conduction MAT
A-fib w/ aberrancy
A-fib w/ WPW VT
KN"
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Source Undetermined KO"
![Page 49: GEMC - Trauma - Cardiology and EKG Interpretation - for Medical Students](https://reader031.vdocument.in/reader031/viewer/2022020217/555bd871d8b42ae4478b54b3/html5/thumbnails/49.jpg)
E73-26"c6Fj'3"
Source Undetermined K\"
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Source Undetermined LR"
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E73-26"c-%3-662)/>"
Source Undetermined L!"
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Source Undetermined L#"
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=-4'"1/C86'I"G2(9:(234-2"
• b-r'3'>)26"b-2;>/+-+"– ]'>73-(F623"G2(9:(234-2"– W]G".-79"E%'332>(:"
LJ"
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Source Undetermined LK"
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WF832*'>73-(F623"G2(9:(234-2"
Narrow complex, regular; retrograde P waves
Retrograde P waves
Source Undetermined LL"
![Page 56: GEMC - Trauma - Cardiology and EKG Interpretation - for Medical Students](https://reader031.vdocument.in/reader031/viewer/2022020217/555bd871d8b42ae4478b54b3/html5/thumbnails/56.jpg)
Source Undetermined LM"
![Page 57: GEMC - Trauma - Cardiology and EKG Interpretation - for Medical Students](https://reader031.vdocument.in/reader031/viewer/2022020217/555bd871d8b42ae4478b54b3/html5/thumbnails/57.jpg)
A4-:A@'H@I44C-'<:4J'KA-:A1@C'1@L?F'
LN"
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Source Undetermined LO"
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A!4C-L(CE4A@'5ML?A-B:A@':!HA-?4:L!'
L\"
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Source Undetermined MR"
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:!HC-:L-'EL(4C-:L-'5ML?A-B:A@':!HA-?4:L!'
M!"
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Source Undetermined M#"
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5A((:KC'A5:NNNN'
MJ"
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Source Undetermined
Source Undetermined
MK"
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EL@M5L-EJ:?'KC!4-:?I@A-'4A?JM?A-B:A'4L-(ABC('BC'EL:!4C('
ML"
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Source Undetermined MM"
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KC!4-:?I@A-'H:1-:@@A4:L!'
MN"
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Source Undetermined MO"
![Page 69: GEMC - Trauma - Cardiology and EKG Interpretation - for Medical Students](https://reader031.vdocument.in/reader031/viewer/2022020217/555bd871d8b42ae4478b54b3/html5/thumbnails/69.jpg)
<:BC'?L5E@CD'4A?JM?A-B:A'Th/+7"A-`'6:D"h/>/C/893-("]'>73-(F623"G2(9:(234-2U"
M\"
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Source Undetermined NR"
![Page 71: GEMC - Trauma - Cardiology and EKG Interpretation - for Medical Students](https://reader031.vdocument.in/reader031/viewer/2022020217/555bd871d8b42ae4478b54b3/html5/thumbnails/71.jpg)
(K4'<:4J'(:G!('LH'-A4C'BCEC!BC!4':(?JC5:A'
N!"
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[:8/`26'C-2"
U waves; Can also see PVCs, ST depression, small T waves
Source Undetermined N#"
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[:8'3`26'C-2"
Tall, narrow and symmetric T waves
Source Undetermined NJ"
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VF'+)/>+s"
Dkscully, Flickr
NK"