14 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... AVNRT on Neck Physical ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #JVP #Cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #CVP
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
on ECG Multifocal ... atrial tachycardia ECG ... • Some P waves ... tachycardia #cardiology #diagnosis ... #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... decreases, the P wave ... : • The P wave ... The change in P wave ... the pacemaker shifts
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... : Differential diagnosis ... overdose: Prominent R wave ... prominent terminal R wave ... • Predictor of arrhythmia
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
finding) • Atrial Arrhythmia ... • Dominant R Wave ... in V1 • Shift ... in relation to ECG ... Embolism #AcutePE #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... decreases, the P wave ... : • The P wave ... The change in P wave ... the pacemaker shifts
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
atrial pacemaker - ECG ... Diagnosis • The ... change in P wave ... the pacemaker shifts ... Variant of sinus arrhythmia
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... 300 = NSVT EKG ... No associated P-wave ... , and the T-wave ... Differential Diagnosis