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Pathology
Short Quizzes
50
Health Care
Undergraduate 4
12/06/2008

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Cards

Term
T or F: Lateral wall damage shows up as ischemic changes in the lateral precordial leads: V5 and V6
Definition
True
Term
The term ________________ is used to describe infarctions that extend partially through the wall
Definition
Subendocardial
Term
T or F: Myocardial infarction is defined as death of myocardial tissue
Definition
True
Term
T or F: ST segment depression is an EKG change that can appear as a result of myocardial ischemia
Definition
True
Term
T or F: Anterior wall damage is reflected by ischemic changes in leads V1 through V4
Definition
True
Term
T or F: Inferior wall damage creates ischemic changes in leads aVR and aVL
Definition
False
Term
Myocardial ischemia is defined as
Definition
Lack of oxygen to myocardial tissue
Term
When an area of infarction extends completely through the wall of the ventricle it is called
Definition
Transmural
Term
T or F: Deepening and widening of the Q waves is an EKG change that can occur as a result of myocardial ischemia
Definition
True
Term
T or F: T wave inversion is an EKG change that can occur as a result of myocardial ischemia
Definition
True
Term
Which of the following statements is true:
When normal chamber enlargement occurs:
1)Abnormal depolarization waves produce vectors of longer duration and greater magnitude
2)Atrial enlargement affects T waves
3)Ventricular enlargement affects the QRS complex
Definition
Term
Left ventricular enlargement produces:
1)Deep S waves in V6
2)Tall R waves in V1
3)Tall R waves in V6

4)Deep S waves in V1
Definition
3 and 4
Term
T or F: Ventricular enlargement is seen as unusually high amplitude QRS complexes across all the V leads
Definition
True
Term
Left atrial enlargement produces a ________, ________ P wave (>.10 secs)in Lead II
Definition
broad, notched
Term
T or F: Atrial enlargement will produce a biphasic P wave in V1
Definition
True
Term
Right ventricular enlargement produces:
1)Deep S waves in V6
2)Tall R waves in V1
3)Tall R waves in V6

4)Deep S waves in V1
Definition
1 and 2
Term
Which of the following statements is true regarding P pulmonale?
1)This waveform is seen in Lead II and is characteristic for right atrial enlargement
2)This waveform is characteristically tall & peaked with normal duration (.10 secs or less)
3)This waveform is seen in Lead II and is characteristic for left atrial enlargement

4)This waveform is characteristically tall & peaked with normal duration (.10 secs or greater)
Definition
1 and 2
Term
T or F: The left main coronary artery divides into the left anterior descending artery and the circumflex artery
Definition
True
Term
The term 'ischemia' describes
Definition
Reversible imbalance in the myocardial oxygen demand/supply ratio
Term
The term 'dyskinesis' refers to
Definition
Outward motion or 'bulging' of a segment in systole
Term
Disease in the posterior descending artery results in abnormal wall motion in the
a.Mid septum
b.Anterior free wall
c.Anterior left ventricular apex

d.Inferior free wall
Definition
Term
T or F: The apical 2 chamber view can be used to assess the inferior wall of the LV
Definition
True
Term
T or F: The circumflex artery is a branch of the right coronary artery
Definition
False
Term
Which view would allow assessment of the anterior wall of the LV?
Definition
Apical 2 chamber
Term
The PSSAX at the PM level can be used to assess
Definition
The midventricular segments of the LV
Term
The posterior wall of the LV is supplied by
Definition
Term
The posterior descending artery transverses the
Definition
Inferior inter-ventricular groove
Term
T or F: Ischemic ST segment depression on EKG and clinical angina are relatively late manifestations of ischemia and are not seen consistently
Definition
True
Term
The term 'akinesis' describes
Definition
Absence of inward endocardial motion or wall thickening in systole
Term
Hypokinesis describes
Definition
Reduced endocardial inward motion and wall thickening in systole
Term
Which of the following statements about segmental anatomy of the LV are true:
a.From the base to apex, the LV is typically divided into three segments: basal, midventricular and septal
b.The ventricular septum is divided into at least two segments (inferior and anterior), since it receives blood flow from the posterior descending and the left anterior descending arteries
Definition
B only
Term
T or F: When narrowing of a coronary vessel reaches 70% of luminal cross-sectional area, blood flow becomes inadequate to meet increased myocardial oxygen demands with exercise
Definition
True
Term
Left anterior descending artery disease results in wall motion abnormalities of
a.Anterior septum
b.Anterior free wall
c.Anterior left ventricular apex

d.Inferior free wall
Definition
A, B and C
Term
If the TR jet peak velocity was measured at 4 m/s and the IVC was less than 2 cm in diameter and demonstrated <50% reduction with inspiration, the SPAP would calculate to:
Definition
74 mmHg
Term
T or F: When the IVC measures less than 2 cm and demonstrates > 50% diameter reduction with inspiration then a right atrial pressure of 10 mmHg assessed for use in pulmonary artery pressure calculations.
Definition
False
Term
Normal acceleration time as measured off the Doppler trace across the pulmonary valve is
Definition
Term
T or F: Systolic pulmonary artery pressure equals RV systolic pressure in the absence of RVOT obstruction
Definition
True
Term
Which of the following would be required to calculate systolic pulmonary artery pressure?
a.An estimate of right atrial pressure
b.A peak pressure gradient estimated from a CW Doppler trace of of the tricuspid regurgitant jet
c.Peak velocity through the left ventricle during diastole
d.All of these responses
e.A and B only
Definition
E
Term
T or F: Systolic pulmonary artery pressure greater than 70 mmHg suggests severe pulmonary hypertension
Definition
True
Term
PAEDP is calculated using the
Definition
Term
SPAP is measured using which of the following
Definition
Peak velocity taken off the tricuspid regurgitant jet
Term
Severe pulmonary hypertension is suspected when the acceleration time as measured off the Doppler trace across the pulmonary valve is
Definition
Term
T or F: Pulmonary hypertension will cause an increase in the acceleration time measured off the Doppler trace across the pulmonary valve
Definition
False
Term
The most common obstruction to left ventricular outflow is
Definition
Valvular stenosis
Term
M-Mode echocardiography is poor at
Definition
Assessing severity of aortic stenosis
Term
All but which of the following are often detected in normal patients?
Definition
Mitral stenosis
Term
Chronic mitral regurgitation leads to enlargement of the
Definition
Left atrium
Term
Subacute bacterial endocarditis
Definition
Occurs in valves previously damaged
Term
Native valvular infections occur most commonly on the
Definition
Mitral valve
Term
The type of cardiomyopathy most often induced by pregnancy, alcohol, viral infection, or chemotherapy is
Definition
Congestive
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