15 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 1A: Moderate Blockade ... 1B: Weak Blockade ... 1C: Strong Blockade ... #Pharmacology #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 1A: Moderate Blockade ... 1B: Weak Blockade ... 1C: Strong Blockade ... #Pharmacology #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... High-grade AV Block ... advanced or high-grade ... a conducted or blocked ... electrocardiogram #classification
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Abnormal Fetal HR Tracing ... Tachycardia - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... are present • Classic ... range • High Grade ... Lymphoproliferative #Disorders #Classification ... #algorithm
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... Frameworks for Internal ... #Diagnosis #Algorithm ... #Causes #Classification
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... #causes
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Abnormal Fetal HR Tracing ... Decelerations - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
Tachycardia - Differential ... Diagnosis Algorithm ... congenital heart block ... #Differential # ... Diagnosis #Algorithm
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal ... Urine Color - Differential ... Porphyrin tyrosinosis urates ... Primaquine, Senna Black ... discoloration #Differential