12 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Multifocal #Atrial ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... conduction Uses: - Atrial ... fibrillation and atrial ... Digoxin effect on ECG ... #ECG
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... atrial tachycardia ... Control rate (e.g ... Rhythm: • Probable atrial ... Control rate (e.g
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... SVTs - atrial/junctional ... (3) Multifocal atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... four main types: atrial ... (PSVT), atrial ... flutter, and Wolff-Parkinson-White ... #EKG #SVT #SupraVentricularTachycardia
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial ... flutter, or atrial ... • Multifocal atrial ... Valvular disease (e.g
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... dominant pacemaker focus ... #Rhythm #tachycardia ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... Block infranodal level ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Consider invasive arterial ... Checklist #Diagnosis #Management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... myxoma • Hypercoagulable ... ↑ ESR, CRP • EKG ... Endocarditis #diagnosis #management ... #cardiology