12 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... #Atrial #Tachycardia ... #MAT #Cardiology ... #Diagnosis #ECG
A Summary slide of Sinoatrial Rhythms 
 • Sinus Rhythm
 • Sinus Arrhythmia
- Multifocal ... Blocks - SAB ... #differential #diagnosis ... #cardiology #ekg ... #ecg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block (3) Multifocal ... AV block 1º - long ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... P-Wave Morphology = multifocal ... #Interpretation ... #cardiology #diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Multifocal Atrial ... criteria for the diagnosis ... dominant pacemaker focus ... #cardiology #ekg
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Sinus Syndrome • SA ... Conduction • Multifocal ... in a setting of long ... tachyarrhythmias #Cardiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... root, and left atrium ... Michael Macias, EM ... University #Clinical #EM ... #Radiology #POCUS
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... : WPW, ectopic atrial ... #EKG #diagnosis ... electrocardiogram #cardiology ... #interpretation
Septal Hypertrophic Cardiomyopathy (HOCM)

52yo worsening exertional sx and murmur. EKG nonspecific, Serial trops (-) 
EM resident
EKG nonspecific, ... Serial trops (- ... ) EM resident ... echocardiogram #plax #cardiology ... #pocus
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Obtain EKG if: ... one post op Cardiology ... unless prior heart/lung ... CARP, DECREASE V trials ... stratification #diagnosis