13 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Atrial ... tachycardia (MAT ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
12 milligrams IV ... Control rate (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Graphic representation of transthoracic echocardiographic parameters in the assessment of right ventricular pressure overload. A′ = peak late
Doppler imaging; IVC ... (or thrombi); RV ... Right heart mobile ... Transthoracic #Diagnosis ... RightVentricular #Cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... #rhythm #tachycardia ... #cardiology #diagnosis ... #clinical #comparison
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Irregular wide-complex tachycardia ... thrombus • Digoxin ... TEE to exclude thrombus ... Fibrillation #AFib #diagnosis ... #management #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
capture of the atria ... Differential Diagnosis ... arrhythmia • Atrial ... #diagnosis #differential ... #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... . 2nd Degree, Mobitz ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #ecg #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... dominant pacemaker focus ... #cardiology #ekg ... #ecg #electrocardiogram ... #comparison
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... exam • 12-lead ECG ... palpitations: PVC ... #Palpitations #Cardiology