[27] Myocardial Infarction Flashcards
Wall Tension is Determined By?
Systolic BP
Volume
Single Most Important Basic Test to Diagnose Coronary Artery Disease
Electrocardiogram
Cardinal Classic Symptom of Coronary Artery Disease
Angina Pectoris
Angina Pectoris is usually located?
Retrosternal
Underneath your breastbone
[T/F] Resting ECG is usually normal in patients with Chronic Stable Angina Pectoris
T, it could be in up to 50% of the cases
Most Widely Used Test to Diagnose CAD
Exercise ECG
Treadmill Stress Test
What can you do if the patient is unable to exercise adequately?
Administer Dipyridamole, Adenosine, or Dobutamine to stress the heart
Gold Standard for CAD
Coronary Angiography
[T/F] Patient with Acute MI can have a normal ECG
T
Chest pain a week ago and checked ECG for MI, which marker should you look for?
Troponin
Single most important coronary artery
Left Anterior Descending Artery
This is a rough estimate of Afterload
Systolic BP
This is a rough estimate of Preload
Volume
Biochemical Marker for Ischemia
Lactic Acidosis
Most common non-cardiac cause of chest pain
GERD
Exercise ECG signs indicative of Ischemia
Downsloping and Horizontal Lines
Is Exercise ECG Upsloping indicative of Ischemia?
No
Drugs used for Pharmacologic Stress Testing
Dipyridamol
Adenosine
Dobutamine
Most commonly used marker for Cardiac Injury
CK-MB
How long before CTnI is detectable?
2-4 Hours
How long before CTnT is detectable?
2-4 Hours
How long before CKMB is detectable?
3-4 Hours
How long does CKMB last in the system?
2-4 Days
How long does CTnT last in the system?
14 Days
How long does CTnI last in the system?
5-10 Days
[Sample Case]
6 days ago, Brad Pitt had severe chest pain that led to a heart attack. Which cardiac marker will you use?
CTnI
Mechanism of Action: Fondaparinux
Factor Xa Inhibitor
Mechanism of Action: Bivalirudin
Direct Thrombin Inhibitor
Gold Standard “door to needle time” for Acute STEMI
< 30 minutes
Which of the following is a characteristic of NSTEMI?
A.) Dark spots in inner half of myocardium
B.) Intraplaque hematoma
C.) Extensive necrosis from epicardium to endocardium
D.) For treatment, physician needs to open artery ASAP
(c/o Tinnie, Joycie, and Charmie)
A
Which of the following options in Lytic Therapy may have allergic reaction as an adverse result?
A.) PTCA
B.) t-PA
C.) STK
(c/o Tinnie, Joycie, and Charmie)
C
Which of the following should not be given for CAD patients?
A.) Metoprolol
B.) Verapamil
C.) Nifedipine
D.) Dilitiazem
(c/o Tinnie, Joycie, and Charmie)
C
Your patient had a heart attack 12 days ago, which cardiac marker should you use?
A.) cTnT
B.) cTnI
C.) CKMB
(c/o Tinnie, Joycie, and Charmie)
A
Which of the following characteristics of the ST segment depression in an ECG finding is NOT suggestive of ischemia?
A.) Downsloping ST depression B.) Upsloping ST depression
C.) Horizontal ST depression
(c/o Tinnie, Joycie, and Charmie)
B
ECG finding pathognomonic of an acute coronary event
A.) ST elevation B.) T wave changes C.) Q wave changes D.) AOTA E.) NOTA
(c/o Tinnie, Joycie, and Charmie)
E
Analgesic drug of choice for acute MI
c/o Tinnie, Joycie, and Charmie
Morphine Sulfate
[T/F] Angina Pectoris is usually retrosternal
c/o Tinnie, Joycie, and Charmie
T
Type of invasive stress testing b. Suspected aortic dissection A.) Nuclear cardio B.) Stress echo C.) Nuclear gamma D.) IVUS
(c/o Tinnie, Joycie, and Charmie)
D
Produced by inflammatory cells in Atherosclerosis
A.) TNF-A
B.) Matrix metalloproteinase
C.) IL-4
D.) T-cells
(c/o Tinnie, Joycie, and Charmie)
B
Dosage (mg) of ASA for ischemic patient upon arrival at ER:
A.) 160
B.) 100
C.) 150
D.) 80
(c/o Tinnie, Joycie, and Charmie)
A
