34 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • Sick Sinus Syndrome ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
VT versus SVT with ... Brugada algorithm ... VentricularTachycardia #SVT ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... • Irregular SVT ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... hematuria (RBC casts ... Nephritic #Nephrotic #Syndrome ... #Comparison #Algorithm
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Distinguishing #Criteria #Cardiology ... Electrocardiogram #VTach #SVT ... #Differences #Comparison ... #Brugada #Algorithm
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... , Brugada syndrome ... Catecholaminergic polymorphic VT ... Cardiac #Arrest #cardiology ... differential #diagnosis #causes
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
nicardipine) • SVR ... verapamil) • SVR ... NonDihydropyridines #pharmacology ... #comparison #table ... #cardiology
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
rapidly fatal • Causes ... Neuroleptic malignant syndrome ... ; Serotonin syndrome ... Identify underlying cause ... #Hyperthermia #comparison
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... flutter (3) SVTs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... electrocardiogram #cardiology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Beta Blockers - Pharmacology ... Comparison Table ... Suppression of VT ... Acute coronary syndrome ... #Receptors #cardiology