What kind of AV Block?
Patient with chest pain. What is your diagnosis?
a)
STEMI infero-posterioris. Mobitz I
b)
STEMI infero-lateralis. Mobitz I
c)
STEMI inferioris. Mobitz II
d)
STEMI inferioris. Total AVB
e)
STEMI inferioris. NSTEMI anterioris. Second
degree AVB
This ECG shows ST elevation in inferior leads that’s mean
STEMI inferior is present. Posterior
STEMI is suggested by horizontal ST depressions, upright T Wave and tall R wave
in right precordial leads.
PR interval is not constant. We can see progressive
prolongation of this interval culminating with non conducted P wave, typical
for second degree AVB, Mobitz I, that appear in P:QRS group with ratio 3:2 or
4:3.
Incomplete LBBB is present too.
Final diagnosis: a) STEMI infero-posterioris. Mobitz I
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