Flashcards in ECGs: Bundle Branch Blocks Deck (18)
the bundle of his splits into...
left anterior hemibundle
left posterior hemibundle
3 criteria on ECG for RBBB
RSR complex in V1 (MarroW)
delayed S wave in 1, V5 and V6
VT is defined as >__ beats of ventricular origin with a HR >__bpm
sustained VT needs >__s of tachycardia
VT with identical QRS complexes
VT with different QRS complexes
what is aberrency?
when someone with a BBB develops atrial tachycardia
how do you diagnose SVT with aberrancy
if the patient has a PMH of BBB and shows signs of VT on ECG...
consider SVT with aberrancy
causes of TdP
what is a q wave?
the first negative deflection in the QRS complex
left anterior hemiblock causes __ axis deviation
left posterior causes __ axis deviation
best place to look for p waves
name 4 ways in which T waves can present on ECG in an MI
what's the earliest ECG sign of an MI?
abnormal T wave
where do pathological Q waves present?