Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NM By Myself > Cardio NM > Flashcards

Cardio NM Flashcards

1
Q

Appropriateness criteria

A

Chest pain
Anginal equivalent - - dyspnea, worsening effort tolerance
No symptoms - - risk for cardiovascular events
Low–age-specific risk below average, 10 year abs risk for CHD <10%
Moderate - - average or above average, 10-20%
High - - >20%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

MPI appropriate

A

Intermediate and high pretest probability of CAD (>11%)
To exclude CAD
Exercise ECG not possible
Abnormal baseline ECG
At least one risk factor prior to high risk surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Agatston score for coronary calcium

A

<100 - - MPI inappropriate
>400 - - MPI appropriate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

3 months after ACS

A

MPI not indicated unless no prior angiogram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

MPI patient preparation

A

Fast 4h
No coffeine 12h
Check sugar before stress if DM
Avoid heavy meal
Hemodynamically stable 48h
Stop for 3 T1/2 - nitrates, beta blockers, anti calcium - - reduce incidence of ischemia
Stop for 5 T1/2 methylxanthine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

MPI for assessment ischemia and therapy effectiveness

A

Continue cardiac medications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

MPI pregnancy

A

Fetal absorbed dose higher in early stages
2 day protocol
Stress first
Lactating - - no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Stressor exercise

A

First choice if suspected or known CAD
Goal - to reach 85% of predicted max (220-age)
Continous monitor
Bicycle - - quadriceps fatigue - - stop before
Not if: lung, peripheral vascular, musculoskeletal, neuro disease, poor motivation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Rate pressure

A

Heart rate * systolic BP = double product = METS
>25000 mmHg/min - - good level of exercise
>30000 mmHg/min - - excellent level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Reasons to fail exercise

A

Low tolerance
Poor motivation
Arthritis
Lung disease
Peripheral vascular disease
Beta blockers
Angina
Arrhythmia
Cardiac insufficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Stress test injection

A

Tracer injected close to peak exercise - - continue exercise for 1-2 min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Vasodilators mechanism

A

Induce myocardial hyperemia by Adenosine receptors independent of myocardial oxygen demand
Indication: inability to exercise and LBBB
Consider if ACS and unstable Angina stable for 48h

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Regadenoson and COPD

A

can be used if not actively wheezing.
If severe COPD - - inhaled bronchodilator prior to tracer admin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Vasodilators Combi with low level exercise

A

Reduce flashing, dizziness, nausea, headache, hypotension
Reduce bowel activity - - better image quality and target-to-background ratio
Not for LBBB and pacemaker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Adenosine

A

direct coronary arteriolar vasodilation through A2a receptor
3.5-4 fold increase myocardial blood flow
Peak vasodilation 1-2 min after start, T1/2 10 sec

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Adenosine injection

A

Infusion or syringe pump
2 separate IV lines or 1 line with dual port Y connector
Continuous infusion 4-6 min
1 min 50 microg/kg/min - - 75, 100, 140 at 1 min interval
Tracer after 140 microg/kg/min at 2-3 min, infusion continue for 2-3 min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Adenosine side effects

A

Minor side effects 80%
Flushing 35-40%
AV block 8% self limiting
ST depression >1 mm5-7% - - true ischemia
AFib within several min
Convulsive seizures
Cerebrovascular accidents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Adenosine
Patient preparation

A

Fast 4h
No coffeine 12h
Nitrates, beta blockers, anti Calcium stop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Regadenoson

A

Agonist of A2a receptor
10 fold lower A1
Weak A2b and A3
Max plasma concentration 1-4 min
Manual injection, large catheter
0.4 mg regardless of weight in 5 ml
Slow bolus 30s
10s flush 5-10 ml saline
Tracer within 2 min
Side effects: shortness of breath, headache, flushing
rhythm abnormality 26%, headache 29% resolves in 30 min
No problem with bronchospasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Regadenoson + Aminophylline

A

50-250 mg slow IV over 30-60 sec at least 1 min after tracer
Indication:
Systolic BP <80
Symptomatic persistent AV block
Other Arrhythmia
Wheezing
ST depression >2 mm + chest pain
Pallor, cyanosis, cold skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Dipirydamole

A

Indirect vasodilator - - prevents reuptake and deamination of adenosine - - 3.8-7 fold increase blood flow - - hyperemia for 50 min
Peak vasodilation on 6.5 min
T1/2 30-45 min
Excrete in bile
Infusion pump or manual injection
Continuous IV 0.56 mg/kg/min over 4 min
Tracer 3-5 min after

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Dipirydamole
Side effects

A

Chest pain > AV block > ST changes
Aminophylline at least 3 min after tracer (not in seizure)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Dobutamine

A

Sympathomimetic
Beta1 and beta 2 stimulation
Increase oxygen demand - - increase regional blood flow
Infusion pump, 2 separate IV or 1 with Y-connector
Start at dose 5-10 microg/kg/min
3-5 min interval 20, 30, 40 microg/kg/min
Tracer when HR >85% of predicted
Continue for 2 min after tracer
Fast 3h
Stop nitrates, beta blockers, anti Calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Atropine

A

May add atropine 0.25 mg IV to dobutamine if HR doesn’t reach 85%
Possible difficulties driving in 2h after atropine due to reduced ocular accommodation
Contra: narrow angle glaucoma, obstructive uropathy (incl bladder neck obstruction by BPH), AFib with uncontrolled HR, obstructive GI disease or paralytic ileus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Dobutamine side effects

A

Ischemic ST depression in 1/3 patients
Severe - - IV esmolol 0.5 mg/kg over 1 min or metoprolol 5 mg
Palpitation > Significant SVT or VT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Dobutamine indication

A

Only patients who can not undergo exercise stress and have contraindication to vasodilator (bronchospasm)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Thallium 201

A

Analog of K - - Na/K ATPase pump - - cytosol
No K in scar
T1/2 73.1h
Cyclotron
Electron capture
68-82 keV X-ray 88%
135 and 167 keV gamma 12%
First pass extraction 85%
Cardiac uptake 3%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Thallium dose

A

74-111 MBq prior to peak exercise or at peak pharm vasodilation
SPECT 10-15 min later
Redistribution (rest) 2.5-4.0h later
Reinjection 37 MBq or rest at 18-24h

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Thallium uptake

A

Proportional to perfusion
Prolonged retention depends on viability
Uptake in lung - - lung/heart ratio >45 - - severe and multivessel CAD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Thallium redistribution

A

Nonuniform clearance from myocardium
Slower clearance from areas of ischemia and more rapid from areas with normal perfusion
Occurs over several hours after administration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Thallium limitations

A

Long T1/2 - - high radiation burden to kidneys
Low injected activity - - suboptimal in obese
Low energy emission - - significant scatter and attenuation by soft tissue - - low resolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Tc Sestamibi vs tetrofosmin

A

Lipophilic cation
Retain in intact Mitochondria - - viable myocytes
T1/2 6h
On site labeling
Isomeric transition - - 140 keV - - ideal for gamma camera
First pass extraction 60%
Cardiac uptake 1.5% vs 1.2%
Excretion biliary 80% vs biliary 50%, renal 50%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Protocols

A

Two day
350-700 MBq/study
>113 kg or BMI >35 or big breast - - 666-1110 MBq each day
One day
250-400 MBq (1/4 of total activity) first injection
3/4 of total activity second injection
3:1 ratio of activities + 2h delay = 4:1 ration no delay
Early post exercise image - - increase detection of post ischemic wall motion impairment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

MPI timing

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Tc advantage

A

Higher energy - - less attenuation and scatter - - better quality images
Shorter half life - - higher activities - - better counting statistics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Tc disadvantage

A

Splanchnic uptake and excretion higher than Tl - - worse interpretation of inferior wall
Tracer molecules remain within myocytes - - 2 days for optimal stress and rest images
Uptake is less avid than Tl
Radiation exposure to staff is higher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Myocardial stunning

A

Persistent LV contractile dysfunction despite restoration of perfusion
Resolve within 30 min
Normal perfusion, poor contraction
FDG uptake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Gating

A

R-wave has to be positive and at least 3 fold higher that other positive waves
Heartbeat is divided into 16 temporal frames and bins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Exercise induced ischemia

A

ST depression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

MPI rrhytm abnormalities

A

Arrhythmia - - acquisition times prolonged, loss of accuracy
Regular brady/tachy - - influence LVEF and volume values
Number of rejected beats limited to <25%
Beat length acceptance window 20%
Irregularly Irregular rhythm - - no gating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
A

Short axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q
A

Horizontal long axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q
A

Vertical long axis = sagittal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Myocardial ischemia

A

Hypoperfusion (cold defect) on stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Myocardial infarction

A

Hypoperfusion on rest-stress perfusion and decreased uptake with metabolic imaging

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Transmural infarction

A

All layers necrosis
High sensitivity MPI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Subendocardial infarction

A

Only muscle adjacent to endocardium
Lower sensitivity MPI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Myocardial scar

A

Hypoperfusion stress and rest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Hybernating myocardium

A

No perfusion on rest, poor contraction
Improved perfusion on delayed Tl reinjection
Increased uptake by FDG mismatch with reduced uptake on MPI

50
Q
A

Normal
Ischemia
Infarction
Ischemia and scar
Reverse redistribution

51
Q

Rb82-chloride PET CT

A

K analog - - Na/K ATPase pump
T1/2 75 sec, Sr-Rb generator electron capture, eluted with saline every 10 min
30-60 mCi for each
Total study 30-45 min, stress scan 6 min
Extraction fraction 65%
Good image quality
Pharm
1.48 MeV, positron range 8.6 mm

52
Q

N13 ammonia PET CT

A

Ammonium ion trapped in myocyte by glutamine reaction
T1/2 10 min, cyclotron on site
740 MBq - - inject <30 sec
Delay 1.5-3 min prior to image, stress scan 10 min
Extraction fraction 83%
Excellent image quality
Pharm or exercise
0.49 MeV, positron range 2.5 mm
Image just before injection - - input function - - measure blood flow
Lateral wall uptake diminished
CFR (coronary flow reserve) threshold 2.74

53
Q

F18 Fluripidaz PET CT

A

Pyridaben analog - - inhibit mytochondrial complex 1
T1/2 109 min, cyclotron
222-370 MBq
Stress scan 5-15 min
Extraction fraction 94%
Excellent image quality
Pharm or exercise
0.25 MeV, positron range 1.0 mm
Rapid uptake, slow washout
Assess myocardial blood flow
Overcome PET limitations

54
Q

O15 water gated PET CT

A

T1/2 125s , cyclotron on site
370-1110 MBq
Stress scan 6 min
Extraction fraction 100%
Tissue extraction 90% - - calculate blood flow
Poor image quality
Pharm
0.74 MeV, positron range 4.1 mm
Not for cardiac function
Combi with CTA
No contrast between myocardium and blood pool (no retention)
CFR threshold 2.5 - - >50% lumen narrowing + flow reserve <0.8

55
Q

MPI interpretation

A

Reconstruction using iterative algorithm
Summed stress score, threshold 3
Summed rest score >3 and
Summed difference score >1 - - nonreversible scar

56
Q

MRI

A

Gold standard for LVEF and wall motion

57
Q

SPECT

A

Sensitivity 87%
Specificity 70%
For 50% stenosis

58
Q

PET

A

Sensitivity 90%
Specificity 81%
Higher accuracy
Better for obese

59
Q

Normal stress only

A

Homogenous perfusion
SSS <3
Normal LV cavity size, function, wall motion

60
Q

Infective endocarditis

A

Involve leads
Shift from strep to staph
Septic emboli 30% - - splenomegaly, glomerulonephritis, peripheral stigmata
Heart murmur 85%
Roth spot = retinal hemorrhage with white center
Higher evidence - PVE
Echo first line
TC-HMPAO-WBC
FDG - - confirm/exclude in case of possible/rejected, assess embolic burden in case of definite

61
Q

Prosthetic valve endocarditis
Image

A

Cardiac CT - - paravalvular lesion = major criterion
FDG or TC-HMPAO-WBC - - abnormal uptake = major criterion
Imaging of Recent embolic events or infectious aneurysm = minor criterion

62
Q

Cardiovascular Implantable Electronic device CIED

A

Site - - generator’s pocket vs intravascular leads or epicardial leads
Origin of infection - - pocket erosion, localized infection of generator’s pocket, bacteria from a remote site
Staph aureus or coagulase-negative staph

63
Q

CIED image

A

Early infection - - within few months after implantation - - acute/subacute infection of pulse-generator pocket, bacteremia, fever
Late infection - - several years
Most often - transvenous or epicardial leads - - complication pericarditis, myocarditis, right sided endocarditis

64
Q

Implantable LV Assist device LVAD

A

Mediastinum drivelines and device surface
Big five: Staph aureus, enterobact, pseudomonas aeruginosa, coagulase-negative staph, corynebact
CT - - edema as primary sign of infection

65
Q

Vascular prosthetic infection

A

Inguinal region 13% > aorto-bifemoral bypass > femoropopliteal bypass
Late - - 4-6 months - - no septicemia, no graft incorporation with surrounding tissue + perigraft fluid
Staph aureus, E coli, Staph epidermidis

66
Q

Bentall procedure

A

Correction of aorta defects by composite aortic graft or vascular tube graft with mechanical or biologic valve
Infection 3%
Staph aureus 35%
MRSA 20%

67
Q

Vascular prosthetic infection
Image

A

TC-HMPAO-WBC - - graft involvement even in first month after surgery and low grade infection
FDG - - focal uptake around prosthesis

68
Q

Myocarditis

A

Enterovirus
Troponin 1 elevated
FDG - - diffuse uptake
Chronic active EBV - - myocarditis vs hypertrophy due to elevated pulmonary artery pressure (RV uptake)
TB - - heterogenous uptake
Viral - - no manifest with perfusion defect

69
Q

Acute pericarditis

A

FDG - - mild/moderate uptake vs neoplasm (focal soft tissue mass)
Meningococcal sepsis and AIDS - - intense pericardial uptake - - pericarditis
TB - - mediastinal supraclavicular LN
Pericarditis as manifestation of GCA - - idiopathic pericarditis + uptake in pericardial space + hypermetabolism of thoracic and abdominal aortic wall

70
Q

Cardiac Sarcoidosis

A

Biopsy - - 20% sensitivity
FDG - - patchy uptake, low specificity
Combi with MPI - - dd scar tissue vs normal myocardium
Most often ventricular septum
SUV max cutoff 4.0
Rb82 - - concominant abnormality
GA-citrate - - sensitivity 36%

71
Q

Cardiac Amyloidosis

A

Genetic - - ATTR
Non genetic - - Al - - light chain amyloid
DD hypertrophic and restrictive cardiomyopathy
Echo, MRI - - No dd ATTR vs AL
AL - - cardiac uptake <50%,no muscular, but visceral uptake
Intensity of DPD - - predictor of major adverse cardiac outcomes - - negative correlation with LV function
DPD or PYP 740 MBq - - WBS 1h and 3h
F-fluoride PET/MR- - greater spatial resolution

72
Q

Viable myocardium FDG and MIBG

A

EF <35% + viable myocardium (FDG) - - revascularisation
Glucose load PO 25-100g or IV - - insulin response - - overexpression of GLUT4 - - switch metabolism to glucose over fatty acids
Insulin administration - - image 2-3h after
MIBG IV 185 MBq over 1-2 min - - 10 min anterior thorax 128*128 - - 30 min and 3-4h - - heart/mediastinum ratio - - threshold 1.6

73
Q

Large vessel vasculitis

A

Giant cell arteriitis GCA - - extracranial involvement 30-74%
Temporal artery biopsy - - 15-40% false negative
FDG - - no standard definition of vascular inflammation
Vessel/liver ratio
Arterial SUV max

74
Q

CZT SPECT

A

Better resolution and image quality
Less acquisition time
Less radiation exposure

75
Q

Oral glucose load protocol

A

25-100g PO
Check sugar before and after 60 min
Sugar 100-140 - - FDG
Sugar >140 - - 2 IU insulin - - FDG

76
Q

TC-HMPAO-WBC

A

WBS, spot thorax at 30 min, 4-6h and 20-24h after reinfusion
At least 1 focus of abnormal uptake + increase with time - - positive
Hot spot in lung, cold spot in spleen or spine - - embolism
PVE - - mild activity on first exam - - disappear on second - - favourable outcome

77
Q

FDG
Infective endocarditis

A

Heparin - - 5 fold increase in blood free fatty acids
Complications of IE - - mycotic aneurysm - - WBS
IE delayed image - - false positive
Increased uptake in posterior part of heart - - fat containing mass at interarterial septum
After valve implantation - - 3 months
Early detection of embolic events

78
Q

MUGA = gated blood pool

A

Trastuzumab = Herceptin - - Cardiotoxic
Arthracyclines - - Cardiotoxic
Radio and chemo - - pericardial effusion
Before and after chemo - EF measurement
Gold standard for LVEF
Erythrocyte labeling
Binding to beta chain of Hb by stannous chloride
Anterior and LAO (best septal)
Data from 300-500 cardiac cycles
Stop manual, predefined on time or counts or number of cycles
Fourier analysis
Independent from mathematic assumption unlike Echo
LVEF impaired - - no Cardiotoxic agent
>10% decrease in LVEF - - <50% - - stop

79
Q

MPI indication

A

Detection of coronary heart disease
Functional significance of coronary stenosis
Prognostic stratification
Monitoring effects of treatment
Assessment of myocardial viability

80
Q

Adenosine receptors

A

A1 - - AV block
A2a - - coronary arteriolar vasodilation
A2B - - peripheral vasodilation, bronchospasm
A3 - - bronchospasm

81
Q

LBBB

A

Regadenoson

82
Q

Inferior wall

A

Right coronary artery

83
Q

Best view for LVEF

A

LAO 45°

84
Q
A

Postop inflammation

85
Q
A

Infective endocarditis

86
Q
A

Thoracic aorta prosthesis after Bentall procedure

87
Q

ACS unstable

A

Abs Contra for
Exercise
Vasodilator
Debutamine

88
Q

Acute PE

A

Abs Contra for
Exercise

89
Q

Severe pulmonary hypertension
BP >200/110

A

Abs Contra for
Exercise
Vasodilator (uncontrolled BP)
Dobutamine (uncontrolled BP)

90
Q

Acute aortic dissection

A

Abs Contra for
Exercise
Dobutamine

91
Q

Symptomatic severe aortic stenosis

A

Abs Contra for
Exercise
Vasodilator

92
Q

Hypertrophic obstructive cardiomyopathy

A

Abs Contra for
Exercise
Vasodilator

93
Q

Symptomatic Arrhythmia

A

Abs Contra for
Exercise
Dobutamine (atrial tachyarrhythmia with uncontrolled ventricular response + prior history of VT)

94
Q

Acute myo, peri and endocarditis

A

Abs Contra for
Exercise

95
Q

Decompensated CHF

A

Relative Contra for
Exercise

96
Q

Active DVT

A

Relative Contra for
Exercise

97
Q

LBBB, pacemaker

A

Relative Contra for
Exercise
Dobutamine

98
Q

Hypertension + rest BP >200 /110

A

Relative Contra for
Exercise

99
Q

Recent stroke or TIA

A

Relative Contra for
Exercise

100
Q

Aortic stenosis

A

Relative Contra for
Exercise (moderate or severe)
Vasodilator (severe)
Dobutamine (severe)

101
Q

History of severe bronchospasm

A

Abs Contra for
Vasodilator

102
Q

Greater than I AV block or sick sinus syndrome

A

Abs Contra for
Vasodilator

103
Q

Systolic BP <90

A

Abs Contra for
Vasodilator

104
Q

Cerebral ischemia

A

Abs Contra for
Vasodilator

105
Q

Mild to moderate asthma and COPD

A

Relative Contra for
Adenosine
Dipyridamole

106
Q

Severe sinus bradycardia <40

A

Relative Contra for
Vasodilator

107
Q

Mobitz 1 AV block II Wenckebach

A

Relative Contra for
Adenosine
Regadenoson

108
Q

Severe atherosclerosis of extracranial artery

A

Relative Contra for
Vasodilator

109
Q

Use of dipirydamole 24 h

A

Relative Contra for
Vasodilator

110
Q

Beta blockers

A

Relative Contra for
Dobutamine

111
Q

Symptomatic or large aortic aneurysm

A

Relative Contra for
Dobutamine

112
Q

ST depression

A

Early termination for
Exercise (>3 mm)
Vasodilator and Dobutamine (>2mm + chest pain)

113
Q

ST elevation >1mm without Q

A

Early termination for
Exercise

114
Q

VT, SVT or AFib with high heart rate

A

Early termination for
Exercise
Vasodilator (persistent AV block II or III or sinoatrial block)
Dobutamine (significant cardiac Arrhythmia)

115
Q

Decrease in systolic BP >20 despite increasing workload

A

Early termination for
Exercise
Vasodilator (<80)

116
Q

Systolic BP >250 or diastolic BP >130

A

Early termination for
Exercise
Dobutamine (230/115)

117
Q

Angina cause distress

A

Early termination for
Exercise

118
Q

CNS symptoms

A

Early termination for
Exercise

119
Q

Peripheral hypoperfusion
Cyanosis, pallor

A

Early termination for
Exercise
Vasodilator
Dobutamine

120
Q

End systole

A

Frame with lowest number of counts in ROI around left ventricle

121
Q

False positive anterior and septal wall defect

A

Breast attenuation

NM By Myself (25 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions