11 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... leads: Sawtooth waves ... with positive "p waves ... & negative "P waves ... #aflutter #ecg
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... atrial activation from ... SVT (e.g., junctional ... 2LmUODZ #Cannon #AWaves
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
waves in the inferior ... waves in the inferior ... waves. ... #Diagnosis #ECG ... #EKG #Cardiology
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 ... #Cardiology #Neck
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin effect on ECG ... or biphasic T waves ... Electrocardiogram #EKG ... Cardiology #Digitalis #ECG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
- Absence of typical ... - The distance from ... nadir of the S-wave ... nadir of the S-wave ... #Versus #ecg #ekg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - ... 3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis
Brugada syndrome Types 1, 2 and 3

There are three types of ECG presentations, referred to as
three types of ECG ... of the second R-wave ... The T-wave is negative ... #Diagnosis #ECG ... #EKG #Brugada #Syndrome
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... EKG Findings ... No associated P-wave ... , and the T-wave ... opposite direction from
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
incoming current from ... In most case P wave ... as 'pseudo-s' wave ... and 'pseudo-r' wave ... ECG usually shows