9 results
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
up the venous system ... in the JV. ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Evaluation of Regular ... AV Dissociation: ... Tachycardia #Evaluation #Interpretation ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... 1) Rate - Regular ... #ECG #Electrocardiogram ... #cardiology #diagnosis ... #system #cheatsheet
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Narrow & regular ... Treatment: Pacemaker 3rd ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
closed sterile system ... is increased (e.g ... cerebral compliance (e.g ... Nick Mark MD @nickmmark ... #neurosurgery #diagnosis
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
intervals are regular ... #ThirdDegree #3rd ... Complete #cardiology #ekg ... #ecg #diagnosis ... #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
leading to AV node dissociation ... AV conducting system ... heartblock #cardiology #ecg ... #ekg #diagnosis ... #electrocardiogram