12 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... ... regular cannon ... EMdoc @EMdoc14 #CannonA ... #Neck #PhysicalExam ... #JVP #Cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Neck Examination Cannon ... Cannon a waves indicate ... VivekKulkarniMD #CannonA ... PhysicalExam #JVP
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... dissociation • The cannon ... amzn.to/2LmUODZ #Cannon ... #AWaves #diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... 1272139402366595072 Number of Cannon ... regular rapid cannon ... @Hussainch #Cannon ... #PhysicalExam #JVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Venous Pressure (JVP ... ) Algorithm Outward ... with Every Beat - Cannon ... #diagnosis #cardiology ... #physicalexam
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... pulmonic stenosis - Cannon ... Jugular #Waveforms #JVP ... #Differential #Diagnosis ... #PhysicalExam #
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
• c wave - caused ... y descent - is caused ... the y descent cannot ... #Waveforms #JVP ... #PhysicalExam #cardiology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... VI problem) - Cannot ... Nerve IV - Eye cannot ... #Algorithm #Causes ... #Ophthalmology
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform ... Classic “cannon ... wavescaused by ... (TV cusps bulge ... Interpretation #Diagnosis
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... with a central cause ... It cannot therefore ... #Diagnosis #PhysicalExam ... #Neurology #AVS