28 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Slows sinus rate ... VaughanWilliams #Classification ... #Classes #cardiology ... #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 0 to decrease rate ... Vaughan #Williams #Pharmacology ... #Classification ... #Classes #pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... necrosis (7-14 days later ... weight loss • Late ... CXR upright or lat
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Vaughan Williams Classification ... Antiarrhythmics #Pharmacology ... #Classification ... #Classes #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Responsive to Treatment ... very high mitotic rate ... growth, response to treatment ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
Electrolyte/fluid shifts caused ... changes and may cause ... deficiency (thiamine) Late ... hyperparathyroidism Treatment ... Differential #Diagnosis #Pathophysiology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
blood donor • Pathophysiology ... without other cause ... : 33% • Treatment ... CKD, CHF, high rate ... : No • Treatment
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... organ damage • Treatment ... Lysis Syndrome: • Pathophysiology ... proliferation rate
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile ... Perforation) Pathophysiology ... IDSA 2021 CDI Treatment ... Clostridioides #Difficile ... infectiousdiseases #IDSA #gastroenterology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
with exertion, difficulty ... epilepticus • Pathophysiology ... The predominant pathophysiologic ... decreased respiratory rate ... • Pathophysiology