9 results
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... from SVT with aberrancy ... using the Vereckei criteria ... better than Brugada criteria ... #ECG #Lead #AVR
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Morphological Criteria ... Tachycardia #Aberration #Aberrancy ... #EKG #Electrocardiogram ... #VTach #SVT #Differences ... #Comparison #Brugada
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
morphology ● AV ... Morphology criteria ... #VTach #VentricularTachycardia ... #SVT #Aberration ... #Aberrancy #Comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... (> 160ms) - AV ... #VT #VTach #SVT ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Diagnosis and Management ... deflection not AVRT ... • SVT. 140-280 ... • DDx: SVT + ... Aberrancy, HyperK
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
cardioversion • If known SVT ... with aberrancy, ... WPW) - Avoid AV ... nodal agents (e.g ... Tachycardia #Treatment #management
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Pericarditis, Tamponade EKG ... Findings: - AV ... block, Aberrancy ... , VT/VF, Myocardial ... Myocarditis #diagnosis #management
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR ... Increases BP, SVR ... Increases HR, SVR ... Pharmacology #Summary #management ... #medications
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
High CO / Low SVR ... Failure, Toxins/Medications ... Low CO / High SVR ... ) UOP > 0.5 cc/kg ... algorithm #treatment #management