11 results
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Algorithm Step ... may actually be normal ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... arrhythmias and paralysis ... wasting from other causes ... suggests extra-renal causes ... consumption • Low/Normal
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... - Diarrhea pH Normal ... • Periodic paralysis ... #Diagnosis #Causes ... #Workup #Nephrology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Function Tests in the Evaluation ... • Low TSH, Low normal ... Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
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 ... Diarrhea #management #algorithm ... #workup #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... • Immunologic Workup ... Discontinuation of causal ... versus DIL • Laboratory ... • Immunologic Workup
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
versus DIL • Laboratory ... - CRP: Usually normal ... • Immunologic Workup ... Positive in 60-80% of cases ... management of SLE • Evolution
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Evaluation for ... levels - Usually normal ... decrease in most cases ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... aldosterone - Often normal ... Insufficiency #Evaluation ... #laboratory #diagnosis ... endocrinology #workup
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
phlebotomy/ blood work ... during clinical evaluations ... prolonged rest can cause ... end this ‘pajama paralysis ... pseudoanemia is a normal