16 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... 3 different P wave ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #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 ... The definitive treatment ... upstroke of QRS complex ... 2 Wide QRS complex ... WolffParkinsonWhite #WPW #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
also a result of atrial ... Incomplete or Complete ... • Dominant R Wave ... leads) RV Ischemia ... AcutePE #diagnosis #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs - Ischemia ... asymmetrical, similar or bigger ... than QRS - deWinter ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
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 ... differentials of narrow complex ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... discordant QRS complex ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... 300 = NSVT EKG ... more intensive treatment ... #differential #cardiology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... • Consider K+ binder ... potassium and ECG ... Widening of QRS complex ... #algorithm #treatment
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... summary #Diagnosis #EKG ... #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
, longer, longer ... (ventricular complex ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis