19 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... • Hypoxia • Pulmonary ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... flutter or MAT ... Control rate (e.g ... with caution in pulmonary
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... because one of the bundle ... #tachycardia #cardiology ... #diagnosis #ekg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
pathway between the atria ... (known as the bundle ... of Kent) may stimulate ... reciprocating tachycardia ... #MedStudent #EKG
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... mitral inflow, MA ... progression, LA: left atrium ... #Diagnosis #Cardiology ... Grades #Criteria #Table
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... QRS complex Pulmonary ... block; and sinus tachycardia ... #differential # ... #ecg #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Hypokalemia • Bundle ... 300 = NSVT EKG ... capture of the atria ... #cardiology
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial ... cardiogenic shock (eg ... pressure) -right atrial ... #NormalValues #Differential ... #Table #Chambers