38 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Oxygen • Treatment ... #Multifocal #Atrial ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... used to detect atrial ... standard 12 lead ECG ... Lewis Lead is then read ... #Cardiology #EKG
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... QRS interval on EKG ... The definitive treatment ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Control rate (e.g ... #Tachycardia #Treatment ... #management #cardiology
Pericardial Tamponade
Beck's Triad 
1. Hypotension 
2. Jugular venous distension 
3. Muffled heart sounds 
Patient will be
Tamponade Beck's Triad ... paradoxus - ECG ... collapse of RV - Treatment ... Tamponade #Becks #Triad ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial ... Electrocardiogram #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... LBBB, LAFB - RAD ... : WPW, ectopic atrial ... Short QT <300-360 ms ... electrocardiogram #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... QTc interval, RAD ... #AVR #leadAVR #ecg ... #differential #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... P and QRS • Atrial ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
Ventricular Standstill on ECG Strip
A rare ecg strip of a pt s/p heart transplant. 
Ventricular standstill
Atrial
Standstill on ECG ... Strip A rare ecg ... Ventricular standstill Atrial ... P waves marked red ... telemetry #clinical #cardiology