Chapter 12- The Heart Flashcards
What are syndromes of ischemic heart disease usually due to
Atherosclerosis of coronary
What is the term for chest pain that arises with exertion or emotional stress (no pain at rest)
Stable angina
What is the hallmark of stable angina
Cellular swelling
What is the typical presentation of stable angina
Chest pain lasting less than 20 minutes that radiates to left arm or jaw; diaphoresis; SOB
What is the EKG finding with stable angina
ST segment depression
What is the term for chest pain that occurs at rest
Unstable angina
What is unstable angina due to
Atherosclerotic plaque with thrombosis and incomplete occlusion of a coronary artery
What is the EKG finding with unstable angina
ST segment depression
What is prinzmetal angina due to
Coronary artery vasospasm
What is the EKG finding with prinzmetal angina
ST segment elevation due to transmural ischemia
What part of the heart does MI usually involve
Left ventricle (usually spares RV and both atria)
Describe levels of troponin I
Rises 2-4 hrs after infarction; peaks at 24 hours and returns to normal in 7-10 days
Describe levels of Ck-MB
Rises 4-6 hours after infarction; peaks at 24 hours; returns to normal by 72 hours
What is happening less than 4 hours after an MI
Carcinogenic shock, CHF, arrhythmias
What is happening 4-24 hours after infarction
Gross change (dark discoloration), micro change (coagulative necrosis), complication is arrhythmia
What is happening 1-3 days after infarction
Gross change (yellow pallor), micro (neutrophils), complication is fibrinous pericarditis
What is happening 4-7 days after infarction
Yellow pallor, macrophages
What is happening 1-3 weeks after infarction
Red border; granulation tissue with plump fibroblasts, collagen and blood vessels
What is sudden cardiac death usually due to
Fatal ventricular arrhythmia
What is the most common etiology of sudden cardiac death
Acute ischemia
What should you think of with heart failure cells
Left sided congestive heart failure
What is heart failure cells
Iron build-ups in macrophages (hemosiderin)
What is R sided heart failure usually due to
L-sided heart failure
Is left or right sided heart failure associated with nutmeg liver
Right
What are clinical presentations of eisenmenger syndrome
Right ventricular hypertrophy, polycythemia, clubbing
What is the most common ASD
Ostium secundum
What is the ostium primum type of ASHD associated with
Down syndrome
What congenital infection is associated with PDA
Congenital rubella
What type of murmur is heard with PDA
Machine like
What should you think of with boot shaped heart
TOF
What are the features of TOF
Stenosis of RV outflow tract, RV hypertrophy, VSD, overriding aorta
What disorder is transposition of great vessels associated with
Maternal diabetes
What is the presentation of truncus arteriosus
Early cyanosis
What is infantile coarctation of aorta associated with
PDA
How does infantile coarctation of aorta present
Lower extremity cyanosis; associated with turners syndrome
Wher does the coarctation in adult form coarctation of aorta occur
Lies distal to aortic arch
What is the presentation of adult coarctation of aorta
HTN in upper extremity and hypotension with weak pulses in lower extremity
What are the jones characteristics associated with acute rheumatic fever
Joint (migratory polyarthritis), heart (pancarditis-shaped like an “o”), nodules (subcutaneous), erythema marginatum, sindenhemps (in muscle) corona
What should you think of with ashoff bodies
Pancarditis of acute rheumatic fever
What should you think of with anitchcall cells
Acute rheumatic fever
What valve is almost always involved in chronic rheumatic valvular disease
Mitral valve
What should you think of with fish mouth appearance of valves
Chronic rheumatic valvular disease
What is aortic stenosis usually due to
Fibrosis and calcification from wear and tear; presents in late adulthood (60yo+)
What murmur is associated with aortic stenosis
Systolic ejection click followed by a crescendo-decrescendo murmur
What is the term for backflow of blood from aorta into LV during diastole
Aortic regurgitation
What are some things that can cause aortic regurgitation
Aortic root dilation (syphilitic aneurysm) or valve damage (IE)
What is the clinical presentation of aortic regurgitation
Early blowing diastolic murmur
What is the clinical presentation of mitral valve prolapse
Mid-systolic click followed by regurgitation murmur; usually asymptomatic
What is the term for reflux of blood from LV into LA during systole
Mitral regurgitation
What is mitral regurgitation usually a complication of
Mitral valve prolapse
What type of murmur is heard with mitral regurgitation
Holosystolic blowing murmur
What does mitral regurgitation result in
Volume overload and left sided HF
What is the most common overall cause of infectious endocarditis
S. Viridans
What does S. viridans IE result in
Small vegetations that do NOT destroy valves
What is the most common cause of IE in IV drug users
S aureus
What does S aureus caused IE result in
Large vegetations that destroy valves
What is the major cause of IE in prosthetic valves
S. Epidermidis
What is the leading cause of IE in patients with underlying colorectal carcinoma
S. Bovis
What are some causes of endocarditis with negative blood cultures
Hemophilus, actinobacillus, Cardiobacterium, Eikenella, Kingella
Where do the vegetations appear with nonbacterial thrombotic endocarditis
Mitral valve along lines of closure
What is the term for sterile vegetations associated with SLE
Libyan-sacks endocarditis
What is the result of Libman sacks endocarditis
Mitral regurgitation