1
Q
Rate by big box on ECG
A
300 / number of big boxes
2
Q
Dig toxicity
A
ST segment scooping and prominent U waves
3
Q
Anterolateral vs Anterior/Anteroseptal STEMI
A
Anterolateral needs 1, v5/v6
Anteroseptal is V1-V4
4
Q
Low voltage limb leads
A
<5 mm in all limb leads (I, II, III, avR, avL, avF)
5
Q
posterior MI vs RVH
A
R wave greater than an S wave with a concordant positive T-wave in V1 is suggestive of a posterior infarction.
6
Q
RVH
A
RAD, R/S ratio in V1>1, R/S ration in V5 or V6 < 1, qR complex in V1 or R wave > 7 mm in V1
St depressions or TWI in right precordial leads
7
Q
RVH in RBBB
A
In the setting of a right bundle branch block, an R-prime in V1 greater than or equal to 15 mm suggests right ventricular hypertrophy.
8
Q
A
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