| Emergency hypertension can result from
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| | cholesterollevels may help predict the
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| several disorders, drugs, and procedures.
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| | risk of CAD more accurately than total
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| Be alert for any of the following in your
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| | cholesterol levels. An elevated LDL
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| patient's history.
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| | cholesterol level indicates an increased
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| Cardiovascular Disordersacute left
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| | risk of CAD, but a high HDL cholesterol
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| ventricular failureacute myocardial
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| | level indicates a lower risk.
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| infarctiondissecting aortic
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| | A series of cardiac serum enzyme assays
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| aneurysmunstable angina pectorisworsening
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| | can confirm an MI. Total creatine kinase
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| of chronic hypertension
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| | (CK) levels rise within 6 hours after the
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| Neurologic Disorderscerebrovascular
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| | start of an Ml and peak in 12 to 24 hours
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| accidenthead traumahypertensive
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| | after cardiac tissue death. When cardiac
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| encephalopathyintracranial
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| | tissue dies, CK-MB isoenzymes, which are
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| hemorrhagespinal cord diseasesubarachnoid
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| | found only in myocardial cells, enter the
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| hemorrhage
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| | bloodÂstream. Measuring their level can
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| Renal Disordersacute
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| | help determine the amount of myocardial
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| glomerulonephritisrenal parenchymatous
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| | damage. Cardiac troponin levels may be
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| diseaserenovascular hypertension
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| | better indicators of myocardial damage
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| Other Disorderseclampsianecrotizing
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| | than CK levels .
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| vasculitispheochromocytomapreeclampsiascl
| |
| | The lactate dehydrogenase (LD) level also
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| eroderma crisisvasculitis
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| | can indicate an MI. The blood's LD level
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| Drugsamphetaminesclonidine (withdrawal
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| | rises 24 to 48 hours after an MI and
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| syndrome)cocainelysergic acid
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| | peaks in 3 to 6 days. Two of the five
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| diethylamidemonoamine oxidase inhibitors
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| | isoenzymes that make up LD-LD1 and
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| taken withfoods containing tyramineoral
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| | LD2-appear primarily in the heart.
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| contraceptivesphencyclidinesympathomimeti
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| | Normally, the LD2 level is higher than
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| c drugs
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| | the LD1 level. But when a patient has had
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| Medical and Surgical Procedurescarotid
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| | an MI, the LD1 level is higher.
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| artery manipulationcoronary artery bypass
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| | Other blood tests, such as aspartate
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| surgery
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| | aminotransferase and myoglobin protein
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| Diagnostic Tests for Cad
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| | levels, also may be used to detect an ML
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| A physician uses certain tests to assess
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| | However, because these tests are not
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| the patient's risk of CAD, others to
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| | specific for MI, they aren't commonly
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| indicate whether he has CAD, and still
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| | used. With an MI, the level of serum
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| others to determine if he has had an MI-a
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| | aspartate aminotransferase, formerly
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| serious complication of CAD.
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| | called serum glutamic-oxaloacetic
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| Blood Tests
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| | transaminase, rises. But because serum
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| A physician typically orders a serum
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| | aspartate aminotransferase doesn't
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| lipid profile to assess the patient's
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| | contain any heart-specific isoenzymes,
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| risk of CAD. A total blood cholesterol
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| | the results aren't definitive. The
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| level below 200 mg/dl indicates a
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| | myoglobin protein level is highly
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| relatively low risk of CAD. A level of
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| | sensitive to myocardial injury, but an
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| 200 to 239 mg/dl indicates a moderate
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| | elevated level doesn't confirm an MI
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| risk; one that exceeds 239 mg/dl
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| | because trauma, inflammation, and
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| indicates a serious risk of CAD.
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| | ischemia also can increase the myoglobin
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| High-density lipoprotein (HDL) and LDL
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| | protein level.
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