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IPDM WK 4 Cardiac Function

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alchemist04's version from 2016-04-25 13:56

Section

Question Answer
What is ACS?Acute Coronary Syndrome. A sudden, reduced blood flow to the heart
To determine the type of ACS, you shd look at (1)Clinical presentation
To determine the type of ACS, you shd look at (2)Electrocardiography (EKG,ECG)
To determine the type of ACS, you shd look at (3)Cardiac markers
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Question Answer
A (-) negative cardiac marker meansUnstable Angina
A (+) positive marker meansMyocardial infraction
ST- Elevation Could lead toSTEMI or NSTEMI
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Question Answer
Unstable Angina meansPressure in the chest while at rest or during physical activities. Patient is at high risk of heart attack but not having heart attack now
STEMI meanspatient has death tissue in the heart
NSTEMI meansnon ST Elevated Myocardial Infraction. The patient does not have a dead tissue
Q-Waver can be used to show an indication of?Previous Heart Attack
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Question Answer
What Cardiac marker is mostly used in ACS?Troponin
3 things about Cardiac markers?High specificity. Only specific to the heart. Present in high concentration
3 things about Cardiac markers?High sensitivity. A light change in concentration will show up in the reading. detects minor injury to the myocardium
3 things about Cardiac markers? measured level is directly proportional with the extent of myocardial injury
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Question Answer
Three things about Troponin0-0.5 ng/mL (Normal Range)
Three things about TroponinTroponin increase in 3-12 hrs post-MI
Three things about TroponinTroponin remains elevated for 10-14 days
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Question Answer
3 thinks about CK (aka CPK) (1)it is a cardia marker
3 thinks about CK (aka CPK) (2)its level sharply increase 4-8 hours after onset of chest pain associated with MI
3 thinks about CK (aka CPK) (3)it returns to normal in 2-3 days
CK-MB marker is forMyocardium
CK-MM marker is forskeletal muscle
CK-BB marker is forBrain
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Echocardiographyuse sound wave to create a moving image of the heart.
Types of Echocardiography(1) TTE (2) TEE (3) Stress Echocardiography
TTETransthoracic echocardiography. 2D or 3D transducer applied on the chest of the patient picks up the echoes of sound waves and transmits it as electrical impulses. The impulses are converted into moving picture of the heart
TEETransesophageal echocardiography
Stress EchoStress Echocardiography. Uses ultrasound imaging of the heart to assess the wall motion in response to physical stress
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Question Answer
3 things about Cardiac Catheterization (1)Catheter is pushed up the larger blood vessels to the heart
3 things about Cardiac Catheterization (2)it provides information on intra-cardiac pressure
3 things about Cardiac Catheterization (3)It provided Hemodynamic data
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Question Answer
3 things about Coronary Angiography (1)Uses a special dye (contrast media) and x-rays to see how blood flows through the heart
3 things about Coronary Angiography (2)ways to find out the location and severity of coronary atherosclerotic lesions
3 things about Coronary Angiography (3)narrowing of the artery by atheroma shows on the x-ray pictures
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