13 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Tachycardia (FAT ... Tachycardia (MAT ... ) • AV node: AV ... Differential #Diagnosis #Causes ... #cardiology
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
(SVT) is an abnormally ... (PSVT), atrial ... Symptoms may include ... #EKG #SVT #SupraVentricularTachycardia ... #ECGEducator
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... flutter (3) SVTs ... tachycardia (MAT ... 200ms from longer pause ... #EKG #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial ... : AVNRT, AVRT, atrial ... tachycardia (SVT ... criteria only looks at
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... Treat underlying cause ... flutter or MAT ... Treat underlying cause ... Treatment #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- In most case ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology ... #SVT
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... nodal conduction Uses ... (at therapeutic ... : - Scooping ST
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... also a result of atrial ... Leads (VI-V3) +/- Inferior ... • Non-specific ST-T
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
block, or, as this case ... dual-chamber PPM set ... for DDI and an atrial ... tachycardia much ... than the PPM’s max
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... pathway between the atria ... bundle of Kent) may ... #MedStudent #EKG ... ShortPR #Criteria #ECGEducator