11 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Class I (Ia, Ib ... Widens QRS complex Class ... prolongs PR interval Class ... Prolongs QT interval Class ... #Classes #cardiology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... sn/sp) or • CTA ... Evaluate underlying cause ... Ruled out other causes ... #stroke #workup
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... 1C: Strong Blockade ... #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 ... 1C: Strong Blockade ... #Classes #pathophysiology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Eric Strong https ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Eric Strong https ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Suggested diagnostic approach to a patient with exudative ascites. Low ascitic fluid protein should direct practitioners
Low ascitic fluid ... Note: CT = computed ... Although nonhepatic causes ... ascites #diagnosis #workup ... #algorithm #differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... Lymphoma (90-95% of cases ... ) Classification ... Hodgkin Lymphoma Workup ... may be high or low
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... ASA class If ... event, follow ACC algorithm ... Orthopedic • Low ... • <6mo since stroke
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Palpable purpura: strong ... • ANA (Suggest CTD ... • Complement (Low ... #rheumatology #classification