21 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Oxygen • Treatment ... #Multifocal #Atrial ... #Diagnosis #ECG ... #EKG #Management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... • Atrial Flutter ... #cardiology #wide ... #narrow #algorithm
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... w/ AV Block, Atrial ... epinephrine 4) Page Cardiology ... #Bradycardia #Differential ... #cardiology #criticalcare
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Premature atrial ... Monofocal Ectopic Atrial ... interval) • AFib ... • Multifocal Atrial ... tachyarrhythmias #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... flutter, ectopic atrial ... Control rate (e.g ... Control rate (e.g ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial ... @AmyChung #EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... : AVNRT, AVRT, atrial ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Mesenteric Ischemia - Differential ... inflammation (e.g ... pancreatitis) - Arterial ... hypovolemia), Meds/Treatments ... #Diagnosis #algorithm