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intermittent atrial contraction against a closed tricuspid valveleadsto large “ cannon ” a waves
an absent pulmonary valve may impair the placentation processleadingto cannon a waves ( figure20
This result in reflux of blood into the neckresultingin cannon waves
the preliminary task beingto createa wave particle cannon
pulsed wave doppler of the chronic ischemic lv dysfunction , ivct and ivrt increaseleadingto cannon a waves
This delay may cause RA to contract against closed tricuspid valvecreatinglarge cannon a wave
the QRS complexmay causecannon A waves in the neck
which is gonna causea huge cannon A wave
the atrium ... retrograde conduction ( e.g. , AV nodal reentry or some forms of ventricular tachycardiacan causeregular cannon A waves
the hidden trump cardcan causecytoclasis using sound wave cannon
in distressing pulsations in the neckmay resultin distressing pulsations in the neck
when the atrium contracts against a closed tricuspid valve , due to complete heart block ( 3rd degree heart block ) , or even in ventricular tachycardiaresultwhen the atrium contracts against a closed tricuspid valve , due to complete heart block ( 3rd degree heart block ) , or even in ventricular tachycardia
in increased release of ANPcan resultin increased release of ANP
when ventricular contraction takes place during or just prior to atrial contractionresultwhen ventricular contraction takes place during or just prior to atrial contraction
Atrioventricular ) Neck pounding(passive) caused byAtrioventricular ) Neck pounding
from arrhythmiasresultfrom arrhythmias
typicallyresulttypically
II and vasodilating prostaglandins ( most often radial rayleadsII and vasodilating prostaglandins ( most often radial ray
from atrial contraction against a closed atrioventricular valveresultingfrom atrial contraction against a closed atrioventricular valve