9 results
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... unclear (often the case ... then go to stim testing ... this indicates normal ... adrenal function
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... baseline ACTH - Primary ... • Low or normal
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... smear, HIV/HCV testing ... country), thyroid function ... gastric bypass), LFT ... unclear, or if a primary
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
from other causes ... causes • Laxative ... mEq/g suggests urinary ... consumption • Low/Normal ... diagnosis #Algorithm #differential
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 ... Cerebral Salt Wasting ... water intake (Primary ... #Hyponatremia #differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... > 20 meq/L • Primary ... of congenital adrenal ... #Diagnosis #Causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... TB, NTM, PNA • Primary ... - BAR >1.0 is abnormal ... ) • Pulmonary function ... Bronchiectasis #pulmonary #differential
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinis", determined heating ... • Urinary casts ... not be used with normal ... renal function. ... leucocyte-esterase #urine #UNa #casts
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... , nasogastric suction ... thiazide-like diuretics), Primary ... #Hypokalemia #Causes ... #differential #