8 results
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
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 ... #PhysicalExam #JVP
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Block • The P wave ... group-beating" on the ECG ... AVBlock #cardiology #ekg ... #ecg #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... completely absent, P waves ... heartblock #cardiology #ecg ... #ekg #diagnosis
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
is increased (e.g ... cerebral compliance (e.g ... called Lundberg waves ... • LUNDBERG A WAVES ... • LUNDBERG B WAVES
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
in the chest or neck ... exam • 12-lead ECG ... caused by advanced atrioventricular ... Valvular disease (e.g ... palpitations: PVC
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... heparinized tube) • ECG ... bradycardia → sine wave ... hypertonic Amp IVP ... #Hyperkalemia #Diagnosis