18 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Hypoxia • Pulmonary ... • Oxygen • Treatment ... #Diagnosis #ECG ... #EKG #Management
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 ... #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
Complex • PAC ... finds the right bundle ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... EKG is helpful in ... Incomplete or Complete ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Narrow-Complex ... Control rate (e.g ... disease or CHF) ... Control rate (e.g
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 ... more intensive treatment
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... wave (ventricular complex ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... differentials of narrow complex ... Hussain Ch @Hussainch
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Pulmonary Embolism ... #differential #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram