14 results
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
(RBBB) - EKG Diagnosis ... EKG Criteria: ... • QRS > 0.12 seconds ... #RBBB #EKG #Diagnosis ... #ECG #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Ml, WPW, LVH, LBBB ... ) - HiPR: AV block ... V-pacemaker, ↑K, ICD ... #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa Criteria ... Modified Sgarbossa Criteria ... #Sgarbossa #Criteria ... #electrocardiogram ... #ecg #cardiology
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
bundle branch block ... morphology of the QRS ... the morphology criteria ... to the Brugada criteria ... #ECG #EKG #Electrocardiogram
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Anterior Fascicular Block ... 90 degrees) • QRS ... waves in leads II, Ill ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... , peak T, wide QRS ... wave inversion, QRS ... #diagnosis #cardiology ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Sinus Tachy w/ BBB ... DANGER Narrow QRS ... #electrocardiogram ... #cardiology #differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... Don't rely on criteria ... AFIutter + variable block ... /LBBB or identical ... to prior known QRS
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
"Mild" Hyperkalemia ... Hyperkalemia • QRS ... of conduction block ... #ECG #electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill ... encompassing a QRS ... an intervening QRS ... presence of AV block ... #ecg #electrocardiogram