30 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... • Oxygen • Treatment ... #Cardiology #Diagnosis ... #ECG #EKG #Management
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... in relation to ECG ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... dissociation + retrograde atrial ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... #cardiology #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... pathway between the atria ... Pathophysiology #Diagnosis ... #Cardiology #MedStudent ... #EKG #WPW #WolffParkinsonWhite
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 ... the case as Typical ... PhysicalExam #JVP #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... 300 = NSVT EKG ... more intensive treatment ... #differential #cardiology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... glucocorticoid treatment ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... exam • 12-lead ECG ... Valvular disease (e.g ... #Palpitations #Cardiology