14 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Hypoxia • Pulmonary ... #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... ECG Multifocal ... Multifocal atrial ... tachycardia ECG ... #diagnosis #ekg
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Multifocal Atrial ... Atrial Arrhythmia ... irregular PP and PR interval ... #ekg #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block (3) Multifocal ... 1º - long PR intervals ... bradyarrhythmia #ECG ... #EKG #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... interval, RAD 130 ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
: - EKG changes ... their validity (e.g ... clinical context & EKG ... #Hypokalemia #Management ... #CriticalCare
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... sinus syndrome) • Multifocal ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
tight-fitting mask (e.g ... recent surgery, etc ... • FiO2 24-60% Partial ... Delivery #Devices #management ... #pulmonary #criticalcare