31 results
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... exacerbation, Beta ... syndrome (e.g. ... tachycardia, anxiety ... #pharmacology #diagnosis
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... and Management ... Algorithm CONSIDER ... Hypothyroidism - TOX: beta-blockers ... TREATMENT - Drugs (beta-blockers
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... Framework and Management ... AFIb w/ variable block ... Normotensive: Beta-Blocker ... #Differential #Diagnosis
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
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
sweating, and tachycardia ... (hypertension, tachycardia ... procedures (eg, ... Starting beta blockers ... • Beta blockers
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(1) Sinus tachycardia ... Multifocal atrial tachycardia ... - treat with beta-agonist ... bradyarrhythmia #ECG ... #EKG #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... after dropped beat ... Brady Management ... degrees #summary #Diagnosis ... #EKG #electrocardiogram
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
If ventricular tachycardia ... nodal agents (e.g ... diltiazem or B-blockers ... #Treatment #management ... #cardiology #algorithm
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Unexplained sinus tachycardia ... gallop • Abnormal ECG ... Dysrhythmia, heart block ... cardiac death Management
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... Each beat identical ... #Differential #Diagnosis ... #wide #narrow #algorithm