16 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... rhythms (5) AV ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... node: AV re-entrant ... ), AV nodal re-entrant ... #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Diagnosis Algorithm Narrow ... flutterAV ... tachycardia • AV ... #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... in aVR in narrow ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
OAVRT, AFIutter) ... whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV ... #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
and Management Narrow ... w/ AV Block, Atrial ... Tachy w/ AV Block ... Irregular: Sinus Arrhythmia ... w/ Variable AV
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... and atrial flutter ... Digoxin effect on ECG ... #ECG
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Arrhythmia* (e.g ... in relation to ECG ... Changes • STE in aVR ... AcutePE #diagnosis #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Control rate with AV ... Control rate (e.g ... Control rate (e.g ... Treatment #management #cardiology