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Flashback Friday: Lumps and Bumps: Can’t-Miss Diagnoses in Syncope
Manage episode 227388428 series 1031403
Dr. Jeremy Berberian joins EMRA*Cast with Alex Kaminsky to delve deeper into the pathophysiology and electrical findings associated with diagnoses such as WPW, Brugada and ARVD.
Lumps and Bumps: Can't-Miss Diagnoses in Syncope
Host: Alex Kaminsky
Guest: Jeremy Berberian, MD
- Associate Director of Resident Education, ChristianaCare
- Editor-in-chief: EMRA EKG Guide, EMRA Ortho Guide, and the upcoming Emergency ECGs: Case-Based Review and Interpretations, with Amal Mattu and William Brady
- Faculty editor: EM Resident Monthly ECG Challenge
- Creator: ECG Greeting Cards©, a collaboration with MPP and JerBer Productions
EPISODE OVERVIEWResidents are well-programmed to recognize cardiovascular emergencies such as STEMIs at a glance. However, during a busy shift it can be easy to overlook dysrhythmias and other electrophysiologic urgencies and emergencies. Syncope is a prime example of a chief complaint that may be uncovered with an EKG alone -- however, syncopal emergencies are often subtle and nuanced. Dr. Berberian joins EMRA*Cast with Alex Kaminsky to delve deeper into the pathophysiology and electrical findings associated with diagnoses such as WPW, Brugada, ARVD and more.
KEY POINTS
Wolff-Parkinson-White (WPW)
Prevalence: 0.7 to 1.7 per 10000
OverviewAccessory Pathway Connecting the atria to the ventricle. In some instances, this can cause the accessory pathway to travel FASTER than through the AV node.
- Orthodromic (Narrow): Travels down the AV node (can bypass)
- Antidromic (Wide): Bypasses AV node and UP the his-purkinje system.
Courtesy of CardioNetworks: Free use image
Key Features:
Image: Courtesy of EMRA EKG Guide
- Short PR (less than 120ms)
- “Delta” wave -- which is a “slurring” of the QRS complex
- QRS might be “a little” wide (still 2mm with a negatively deflected T in right precordial leads (V1-V3)
- Potentially diagnostic as isolated EKG finding.
Type 2:
- ST elevation in right precordial leads (V1-V3) with a “saddleback.” Within the STE.
- Not completely diagnostic but concerning fr workup.
Clinical Criteria (EKG Findings PLUS one or more):
- SYNCOPE
- Nocturnal Agonal Respirations
-
- Brugada gets WORSE with parasympathetic stimuli.
- Family member with known Type 1
- Observed/Documented VT/VF
- Sudden cardiac death in family member
118 פרקים
Manage episode 227388428 series 1031403
Dr. Jeremy Berberian joins EMRA*Cast with Alex Kaminsky to delve deeper into the pathophysiology and electrical findings associated with diagnoses such as WPW, Brugada and ARVD.
Lumps and Bumps: Can't-Miss Diagnoses in Syncope
Host: Alex Kaminsky
Guest: Jeremy Berberian, MD
- Associate Director of Resident Education, ChristianaCare
- Editor-in-chief: EMRA EKG Guide, EMRA Ortho Guide, and the upcoming Emergency ECGs: Case-Based Review and Interpretations, with Amal Mattu and William Brady
- Faculty editor: EM Resident Monthly ECG Challenge
- Creator: ECG Greeting Cards©, a collaboration with MPP and JerBer Productions
EPISODE OVERVIEWResidents are well-programmed to recognize cardiovascular emergencies such as STEMIs at a glance. However, during a busy shift it can be easy to overlook dysrhythmias and other electrophysiologic urgencies and emergencies. Syncope is a prime example of a chief complaint that may be uncovered with an EKG alone -- however, syncopal emergencies are often subtle and nuanced. Dr. Berberian joins EMRA*Cast with Alex Kaminsky to delve deeper into the pathophysiology and electrical findings associated with diagnoses such as WPW, Brugada, ARVD and more.
KEY POINTS
Wolff-Parkinson-White (WPW)
Prevalence: 0.7 to 1.7 per 10000
OverviewAccessory Pathway Connecting the atria to the ventricle. In some instances, this can cause the accessory pathway to travel FASTER than through the AV node.
- Orthodromic (Narrow): Travels down the AV node (can bypass)
- Antidromic (Wide): Bypasses AV node and UP the his-purkinje system.
Courtesy of CardioNetworks: Free use image
Key Features:
Image: Courtesy of EMRA EKG Guide
- Short PR (less than 120ms)
- “Delta” wave -- which is a “slurring” of the QRS complex
- QRS might be “a little” wide (still 2mm with a negatively deflected T in right precordial leads (V1-V3)
- Potentially diagnostic as isolated EKG finding.
Type 2:
- ST elevation in right precordial leads (V1-V3) with a “saddleback.” Within the STE.
- Not completely diagnostic but concerning fr workup.
Clinical Criteria (EKG Findings PLUS one or more):
- SYNCOPE
- Nocturnal Agonal Respirations
-
- Brugada gets WORSE with parasympathetic stimuli.
- Family member with known Type 1
- Observed/Documented VT/VF
- Sudden cardiac death in family member
118 פרקים
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