13 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 ... regular cannon a waves ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Absent a wave ... - Flutter waves ... - Prominent a waves ... block - Large a waves ... - Large cv waves
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 ... #Neck #Frog #Sign
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... against a closed tricuspid ... • The cannon a wave ... 2LmUODZ #Cannon #AWaves ... #CVP
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... following the wave ... that the giant A waves ... causing the A waves ... amzn.to/2LmUODZ #AWaves
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Classic “cannon waves ... block) - ‘c’ wave ... systole): c-v wave ... of RV - ‘v’ wave
Lancisi's sign on Physical Exam
Lancisi's sign = loss of the x descent (in tricuspid regurg) creating
x descent (in tricuspid ... creating a fused cv wave ... #PhysicalExam #Waveform ... Clinical #Video #Neck ... #JVP #Tricuspid
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
negatively-directed flutter waves ... positively-directed flutter waves ... to the flutter waves ... #Diagnosis #ECG ... Flutter #Types #Classification
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
: Differential diagnosis ... overdose: Prominent R wave ... prominent terminal R wave ... ddx: AVNRT, AVRT ... electrocardiogram #diagnosis
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
Loss of discreet waves ... called Lundberg waves ... • LUNDBERG A WAVES ... • LUNDBERG B WAVES ... • LUNDBERG C WAVES