9 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Tests (PFTs) - Interpretation ... Algorithm • Normal ... #Pulmonary #FunctionTests ... #PFTs #Interpretation ... #Algorithm #diagnosis
Complement Deficiency Testing Algorithm
 • Normal CH50 and AH50 AND High suspicion for complement deficiency
 •
Complement Deficiency ... Testing Algorithm ... deficiencyLow ... #Deficiency #Testing ... #diagnosis
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Algorithm - GI ... - 1° Renal PO4 wasting ... glucose - Vitamin D Deficiency ... Hypophosphatemia #phosphorus #low ... #diagnosis #Algorithm
Complement 1 esterase inhibitor (C1-INH) Deficiency Testing Algorithm
INDICATIONS FOR TESTING:
 • Recurrent angioedema (without urticaria)
 •
Complement 1 esterase ... inhibitor (C1-INH) Deficiency ... Testing Algorithm ... #Testing #Algorithm ... #allergy #diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Hypothyroidism, Low ... Glucocorticoid deficiency ... #Hyponatremia #algorithm ... #diagnosis #sodium
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
- Differential Diagnosis ... Algorithm No onset ... Etiology - High FSH, Low ... Functional (e.g. eating ... #Algorithm #Causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... mineralocorticoid deficiency ... can be high or low ... Cerebral Salt Wasting ... #differential #diagnosis
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... algorithm for hypokalemia ... urine Na/Cl > 1.6, low ... confirmed via genetic testing ... in most cases; interpretation
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
- Differential Diagnosis ... Algorithm Inflammation ... Ca2 / Vitamin D deficiency ... Misalignment before casting ... #Differential #Diagnosis