11 results
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
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Artery Disease • Stable ... Pleural Thickening/Masses ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... type 4) - Salt wasting ... Low #Potassium #Table ... #Classification ... #Causes
American Society of Anesthesiologists (ASA) Classification
The ASA classification (Table) aims to predict perioperative mortality rates but
(Table) aims to ... Higher ASA class ... risk when an ASA class ... and when an ASA class ... Preoperative #ASA #Classes
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... with valvular dysfunction ... or LV dysfunction ... surgery Stress Testing
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
develop in the setting ... death -> end-organ dysfunction ... EmmGeezee #Shock #Classification ... #differential #causes ... #classification
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
develop in the setting ... death -> end-organ dysfunction ... EmmGeezee #Shock #Classification ... #differential #causes ... #classification
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
TABLE 2. ... syndrome (IBS) sub-classifications ... consistency to meet the criteria ... Subclassifications #Classes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Cerebral Salt Wasting ... Uosm <100): Renal Losses ... differential #diagnosis #table