21 results
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
s max tracking rate ... VivekKulkarniMD #CannonA #AWaves ... #Neck #PhysicalExam ... #JVP #Clinical ... #Video #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
fever, what’s the clinical ... shown , what’s the diagnosis ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... morphologies: • Rate ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A per minute=rate ... are enough to diagnose ... that’s called “clinical ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
the underlying diagnosis ... amzn.to/2LmUODZ #AWaves ... PHTN #JVP #Neck #PhysicalExam ... #Clinical #Video ... #Cardiology
Atrial Flutter on Neck Examination

If you can dx this rhythm, you are born before 1960. 
Early
being the "c" wave ... the ventricular rate ... Flutter #Neck #PhysicalExam ... #JVP #Clinical ... #Video #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... QRS • Atrial rate ... > Ventricular Rate ... degrees #summary #Diagnosis ... electrocardiogram #ecg #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... Table - Wide vs ... AFIutter) • P-waves ... Bedside eval of rate ... Irregular #causes #cardiology
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... rhythm • "Sine wave ... concentration, the rate ... electrocardiogram #cardiology ... #diagnosis #clinical
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
threatening T wave ... Specific for critical ... High rate in <1 ... Electrocardiogram #Diagnosis ... #Cardiology