137 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... dissociation • The cannon ... activation from SVT (e.g ... #AWaves #diagnosis
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 ... block, or, as this case ... #AWaves #Neck #
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 ... regular rapid cannon ... to diagnose the case ... #Awaves #AVNRT
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
provide the earliest clues ... repolarization causes ... in conduction causes ... #Hyperkalemia #EKG ... #ECG #Changes #
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Deep T Wave Inversions ... Juvenile T wave ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
• Lead II - R-Wave ... aVR - Vereckie Algorithm ... #Algorithm # ... diagnosis #cardiology #ekg ... #ecg #telemetry
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Components • a wave ... • c wave - caused ... y descent - is caused ... the y descent cannot ... #Waves #Jugular
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management Algorithm ... potassium and ECG ... amplitude of P waves ... - Absence of T wave ... diagnosis #management #algorithm
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
patterns of T-wave ... negativity (25% of cases ... inverted (75% of cases ... Diagnosis #Cardiology #ECG ... #EKG #Wellens #
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... Digoxin effect on ECG ... or biphasic T waves ... Cardiology #Digitalis #ECG