12 lead
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1
What drugs can you not give to patients with WPW who are having aFIB?
amiodorone
beta blockers
calcium channel blockers
digoxin
beta blockers
calcium channel blockers
digoxin
2
What is the treatment of choice for WPW?
procainamide or electrical cardioversion
3
What are the lateral leads?
I
AVL
V5
V6
AVL
V5
V6
4
What are the anterior/septal leads?
V1
V2
V3
V4
V2
V3
V4
5
What are the inferior leads?
II
III
AVF
III
AVF
6
What vessel of the heart correlate with the anterior/septal leads?
LAD
7
What vessels of the heart correlate with the inferior leads?
LCX and RCA
8
What vessels of the heart correlate with the lateral leads?
branches of LAD and LCX
9
What conditions are associated with a LBBB
aortic stenosis
HTN
digoin toxicity
ischemic heart disease
dilated cardiomyopathy
anterior MI
HTN
digoin toxicity
ischemic heart disease
dilated cardiomyopathy
anterior MI
10
If a patient has a new LBBB and chest pain what should you do?
thromblysis
11
What do you see on EKG for a LBBB?
M shape in lateral leads
deep S wave in leads v1-3
wide QRS complex
deep S wave in leads v1-3
wide QRS complex
12
What do you see on EKG for RBBB?
wide QRS complex
M shaped in V1-3
wide slurred s wave in lateral leads
ST depression and T wave inversion
M shaped in V1-3
wide slurred s wave in lateral leads
ST depression and T wave inversion
13
Which type of MI has the highest risk of mortality?
anterior MI due to the LAD
14
What can happen with untreated brugada syndrome?
sudden cardiac death from polymorphic V tach or V fib
15
What gene is mutated with brugada?
sodium channel gene SCNSA
16
T/F the structure of the heart and QT interval are normal with brugada?
true
17
What is the treatment for brugada?
implantable defibrillator
18
What will you see on EKG with hyperkalemia?
peaked T waves
flattened p-wave
wide QRS
flattened p-wave
wide QRS
19
What is the criteria for brugada type I?
coved ST segment elevation in V1 (>2 mm)
negative T wave
negative T wave
20
What are the symptoms of Wellen's syndrome?
chest pain that resolves with rest
no or mildly elevated cardiac enzymes
no or mildly elevated cardiac enzymes
21
What is associated with Wellen's syndrome?
high risk of anterior MI
22
Type A wellen's syndrome on EKG?
biphasic T wave
23
Type B Wellen's syndrome on EKG?
inverted T wave
24
What causes QT interval prolongation?
medication
hypocalcemia
hyperkalemia
hyomagnesium
hypocalcemia
hyperkalemia
hyomagnesium
25
What is a quick way to see on EKG if the QT interval is prolonged?
look at the 2 wave and see if it ends half way between the 2 R waves
26
In addition to young healthy athletes when else can you see J point elevation? And what are they called?
hypothermia
osborn waves
osborn waves
27
What is the normal axis?
+90 and -30
28
What is defined as a LAD?
-30 and -90
29
What is the range for indeterminant?
180 and -90
30
What is the range for RAD?
+90 and 180
31
What is the likely coronary artery responsible for an inferior-posterior-lateral MI?
left circumflex
32
What is the likely coronary artery responsible for a anterolateral MI?
LAD
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