15 results
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pathophysiology 1) ... works by directly ... intracellular calcium causes ... - Hyperkalemia ( ... high potassium levels
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... discrete buckets: 1. ... (low intake) 2. ... #Causes #workup ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential #Algorithm ... #Diagnosis #Causes ... #Workup #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
: • Digoxin ... Increased K Intake: 1. ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
: • Digoxin ... Increased K Intake: 1. ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Resistance • Beta-2 ... antagonism • alpha-1 ... agonism • Digoxin ... IntercellularShift #Nephrology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Digoxin and related ... the epithelial sodium ... the epithelial sodium ... Differential #Diagnosis #High
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
remifentanil, digoxin ... Also consider: high ... myocardial infarction, hyperkalaemia ... Intraoperative #Checklist ... Diagnosis #Management #Workup
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
• TTE +/- TEE (high ... - Defined if 1) ... non-lacunar CVA 2) ... #diagnosis #checklist ... #neurology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
• Exclude high ... adult, 10 ml.kg-1 ... and non-sinus → 2- ... Intraoperative #Checklist ... Diagnosis #Management #Workup