RU EKG Class 6 11 - RU EKG Class #6 MI and ACS Presented by...

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Unformatted text preview: RU EKG Class #6 MI and ACS Presented by Carol Sadley, M.Ed., PA-C February 22, 2011 What we know so far . . . Rate: brady, normal, tachy Rhythm: atrial, junctional, ventricular, pacemaker rhythms and AV block 1RZ ZHOO PDNH VRPH PRUH LPSRUWDQW medical diagnoses from the EKG. Myocardial Infarction Patient s/s of MI are directly related to the size and location of blockage/infarct Events leading to acute MI Diagnosing an MI History and Physical Exam Cardiac-specific markers in blood EKG MI History Chest pain description: PQRST Provoking & relieving factors, quality, radiation, severity, timing Associated symptoms: nausea, vomiting, diaphoresis, light-headedness 6LOHQW 0, RU XQXVXDO SUHVHQWDWLRQV ROGHU women, diabetics MI Physical Examination Oftentimes a normal physical exam ! Anxiety or sweating Tachy or bradycardic BP elevated or low /XQJV Z IOXLG UDOHVFUDFNOHV Heart w/ extra heart sounds (S4), murmur Edema in lower extremities possible Diagnosing an MI Cardiac Specific Markers: Proteins are released from dying myocardial cells and can be measured in the blood: CK MB: creatine kinase heart specific Troponin I and T (more sensitive/specific) Be aware that these markers may take up to 4-6 hours to rise (abnormal by 8-12 h) Diagnosing an MI: EKG findings T wave peaking (rarely seen on EKG; occurs w/in minutes of MI) followed by inversion of T wave (hours to days later) ST segment elevation (STEMI) (w/in hours) Appearance of new Q waves (hours to days) Classic ST segment elevations called 7RPEVWRQLQJ Types of ST Elevation: Evolving EKG changes of MI...
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This note was uploaded on 02/12/2012 for the course PSYCHOLOGY 101 taught by Professor Michaelleyton during the Spring '08 term at Rutgers.

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RU EKG Class 6 11 - RU EKG Class #6 MI and ACS Presented by...

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