114 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Widens QRS complex ... AP cells • Slow ... VaughanWilliams #Classification ... #Classes #cardiology
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... wave will have low ... originating the low ... #cardiology #diagnosis ... electrocardiogram #clinical
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Narrow Complex ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Parks Classification of Perianal Fistulas
 • Superificial (Simple) - Superficial fistula w/o crossing any sphincter or
Parks Classification ... Trans-Sphincteric (simple if low ... , complex if high ... Fistula tract crosses ... muscle #Parks #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... of phase 4 to slow ... inotropy) ACCP Cardiology ... #Pharmacology #Classification ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... bpm) - Narrow Complex ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Large Atrial Septal Defect and clearly not a PFO. I want to personally thank all the
opportunity for clarification ... jchristianfox #Clinical ... #Cardiology #POCUS
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Canon A waves on Physical Examination

Associated with complete heart block. Notice the relatively slow HR. Echocardiography
Associated with complete ... the relatively slow ... CanonA #Waves #Clinical ... #PhysicalExam #cardiology
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Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
open leading to slow ... Vaughan Williams Classification ... inotropy) ACCP Cardiology ... #Pharmacology #Classification ... #phases #cardiology