32 results
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
Parasystole on EKG ... Normal AV conduction ... #Parasystole #EKG ... #ECG #electrocardiogram ... #cardiology #clinical
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction ... fibrillation and atrial flutter ... #EKG #Cardiology ... #Digitalis #ECG
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
• The P:QRS conduction ... Block #AVBlock #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram ... #labeled #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Independent Atrial Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
degree" • 1:1 conduction ... conduction with ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Algorithm Bradyarrhythmia ... • SA Block • AV ... with Variable AV ... tachyarrhythmias #Cardiology
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Atrial flutter ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential