8 results
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
High Renin - Primary ... adrenal insufficiency ... Ketoconazole Low ... #Algorithm #diagnosis ... #differential #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... tubular dysfunction ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated ... or normal): • Primary ... Low PTH: • Elevated ... Tumors: Lung, SCC, renal
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... hyponatremia, hyperkalemia ... baseline ACTH - Primary ... • Low or normal
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Ureterosigmoidostomy Urinary ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Hypothyroidism, Adrenal ... water intake (Primary ... #Hyponatremia #differential ... #diagnosis #table
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Primary adrenal ... Drug-associated: heparin, low-molecular-weight ... #Differential # ... High #Potassium #Classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... Skin Disease Classification ... permanent alopecia Differential ... the context of primary ... mild cognitive dysfunction