8 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... ++ influx into cells ... velocity) - ↑ PR ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
increases out of cells ... depolarization • ↑ PR ... ++ influx into cells ... velocity) - ↑ PR ... #Classes #pathophysiology
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
electrocardiogram) in cases ... evaluate potential causes ... Section: P, PR ... pathway that can cause ... and are well-appearing
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... twitching CARDIAC CAUSES ... or sinus node dysfunction ... Nonarrhythmic Cardiac Causes ... NON-CARDIAC CAUSES
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
malignant, pediatric cases ... • Classic triad ... and other organ dysfunction ... diagnostic procedures (eg ... adrenoceptors, potentially leading
Peripartum Cardiomyopathy (PPCM)

What is PPCM?
• A form of acute systolic heart failure that develops late in
absence of systolic dysfunction ... including giant-cell ... other high-output causes ... dissection • Other causes ... Rule out other causes
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
- Causes of Bradycardia ... Differential Diagnosis Algorithm ... congenital heart block ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
various tissues, leading ... Incidence: 4–5 cases ... • Endocrine Dysfunction ... marrow: Organ dysfunction ... therapies for cases