11 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... s the clinical sign ... ... regular cannon ... EMdoc @EMdoc14 #CannonA ... #AWaves #AVNRT
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 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 ... #Frog #Sign
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 ... #cardiology #CVP
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Fusion of Lancisi Sign ... with Every Beat - Cannon ... 'A' Inward Wave ... Algorithm #diagnosis #cardiology ... #physicalexam
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Pressure Waveforms - Differential ... pulmonic stenosis - Cannon ... Waveforms #JVP #Differential ... #Diagnosis #PhysicalExam ... #cardiology
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
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Classic “cannon ... wavescaused by ... systole). ↑ in TR from ... (↓ RV filling from ... Interpretation #Diagnosis #Cardiology
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
- Differential Diagnosis ... sucks in" blood from ... #physicalexam # ... diagnosis #cardiology ... causes
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... - Jamestown Canyon ... Acute meningeal signs ... established by CSF or urine ... bacterial from