9 results
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Hypoaldosteronism (Normal ... Aldosterone Resistance (Normal ... or High Renin, Normal ... #Aldosterone #Comparison ... #Table #Causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic ... Causes of acute ... Bacterial overgrowth Normal ... Laxative abuse Normal ... #workup #diagnosis
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
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Diagnostic Testing and Evaluation ... Frequency obtained - Abnormal ... Syncope #diagnosis #workup ... Effectiveness #table ... #comparison
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... this indicates normal
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
CRP - Usually normal ... Discontinuation of causal ... - CRP: Usually normal ... druginduced #lupus #sle #comparison ... #table #rheumatology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Primary Adrenal Insufficiency ... aldosterone - Low in cases ... aldosterone - Often normal ... #Evaluation #laboratory ... endocrinology #workup
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... remember than the normal ... volume-based algorithm ... Hypothyroidism, Adrenal Insufficiency ... differential #diagnosis #table
Antiphospholipid Syndrome (APLS) Testing - Hypercoagulable Workup Algorithm
INDICATIONS FOR TESTING:
 • Vascular thrombosis
Hypercoagulable Workup ... morphologically normal ... morphologically normal ... , or placental insufficiency ... maternal chromosomal causes