11 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... & AP duration CLASS ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... #Classes #pathophysiology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
(particularly common ... Excessive GI losses ... - Chronic diarrhea ... Magnesium #Table #Classification ... #Causes #Workup
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Causes of acute ... imaging with barium, CT ... #workup #diagnosis
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... are present • Classic ... symptoms not as common ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Chronic Thromboembolic ... pulmonary embolism Pathophysiology ... specific • Chest CTA ... WHO functional class ... WHO functional class
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... Autoimmunity • Chronic ... Chest CT: • Ground-glass ... DDX - Other causes ... Malignancies • Chronic
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... ) Classification ... (NSHL) - (most common ... Hodgkin Lymphoma Workup ... lymphoma #diagnosis #classification
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... normal/high - Chronic ... you’ll do a good workup ... , think about common ... #workup #hematology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... pneumonia • Chronic ... Lung Abscess Pathophysiology ... seen • Chest CT ... #differential #causes