24 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia ... Control rate (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial ... : AVNRT, AVRT, atrial ... #AVR #leadAVR #ecg ... #differential #cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... becoming acute anterior ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Drive: • Sinus Tachycardia ... also a result of atrial ... in relation to ECG ... Leads (VI-V3) +/- Inferior ... AcutePE #diagnosis #cardiology
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
, Symptoms and Management ... despite hx HTN) EKG ... precordial leads) - atrial ... Diagnosis #Stages #Management ... #Cardiology #Staging
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Unexplained sinus tachycardia ... gallop • Abnormal ECG ... , echocardiogram ... cardiac death Management ... #Cardiology
Pediatric SVT - Management Algorithm
Identify SVT:
 • HR not variable
 • Abrupt rate changes
 • Infants:
Algorithm Identify ... : HR > 180bpm ECG ... Signs of shock or ... supraventricular #tachycardia ... #Management #Algorithm
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... An ECG may show ... the R wave in inferior ... #EKG #Cardiology ... #Crochetage #Sign
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Stable Wide-Complex Tachycardia ... If ventricular tachycardia ... nodal agents (e.g ... #Treatment #management ... #cardiology #algorithm