Notes in Cardiac Diagnostics & Non-Invasive Imaging

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Status	Last Update	Fields
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-1
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-2
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-3
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-4
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-5
Published	10/16/2023	e703ba163542414aaab746683a00fc37-ao-6
Published	10/19/2023	What's abnormal in this CXR?1. CT ratio > {{c1::0.5}} 2. Prominent hilar markings 3. Narrowed {{c2::mediastinum}} and enlarged {{c2::heart}}
Published	10/16/2023	CXR first → cardiac consult and {{c1::echo}}
Published	10/16/2023	Echocardiography- uses {{c1::sound waves}} to show cardiac anatomy, and how blood flows through the heart and heart valves- 3 basic principles: 2D ima…
Published	10/16/2023	Echocardiography: Standard Views- different views are used to visualize different areas of the heart → all put together and color coded based on which…
Published	10/19/2023	Transesophageoal echocardiogram (TEE)- uses a camera inserted behind the heart through {{c7::esophagus}} → visualizes heart from behind it → has many …
Published	10/16/2023	Cardiac CT- many {{c6::2D}} images taken from all different angles and heights used to build a {{c6::3D}} image - main indication is assessm…
Published	10/16/2023	Coronary {{c1::Calcium}} Scoring is a newer, preventative assessment for adult coronary artery disease *CACS score- evaluates history, smoking, d…
Published	10/19/2023	Cardiac MRI- utilizes {{c1::radiofrequency}} pulses applied to body to capture behavior of protons → resets a certain way with respect to the pulses →…
Published	10/16/2023	CT Quick, mild sedation Arterial anatomy High Resolution RadiationMRI General Anesthesia Good arterial anatomy Good resolution (for pulmonary arteries…
Published	10/16/2023	Ambulatory {{c1::rhythm}} monitoring:- Holter- Event monitor- Loop recorder
Published	10/16/2023	Troponin3 subunits: I, T, and C - only expressed in slow skeletal, fast skeletal, and cardiac musclenot in {{c3::smooth}} muscle - cardiac…
Published	10/16/2023	Older tests for MI such as creatine kinase (CK), CK-MB (myocardial band), ASt, LDH are not as good as {{c1::troponin}}
Published	10/16/2023	Acute Myocardial Ischemia (Type {{c4::1}}): atherscleotic {{c3::plaque}} disruption with thrombosis Acute Myocardial Ischemia secondary to {{c1::…
Published	10/16/2023	typically heart rhythm problem entails disruption to {{c1::right coronary}} artery
Published	10/16/2023	Brain Naturetic Peptide (BNP): can be NT-pro BNP or BNP*best test for {{c1::chronic myocardial}} injury, good way to track {{c1::chronic heart failure…
Published	10/16/2023	Functions of BNP - heart is distended → releases ANP/BNP to reduces this stress...→ relaxes smooth muscle (reduces {{c1::afterload}}) → moves fluid in…
Published	10/16/2023	Cardiac stress testing- comparing patient 12-lead EKG when at rest vs increasing levels of {{c1::stress}} (treadmill or other exercise) - useful …
Published	10/16/2023	Stress testing - could be exercise (treadmill or bicycle) or {{c1::pharmacologic}} (chemicals that stimulate stress)- testing with ECHO: at peak …
Published	10/16/2023
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