13 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Production - Stimulation ... #causes #potassium ... #low #pathophysiology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Failure • Stress (e.g ... Pregnancy, Breast Stimulation ... Prolactin + Normal/ Low ... #Endocrinology ... #Causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... hormone (ACTH) stimulation ... insufficiency likely: • High ... #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High ... Low PTH: • Elevated ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... creatinine) • Cell shift ... B2-adrenergic stimulation ... #differential #algorithm
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Stim test is 250 mcg ... Measure ACTH: - High ... primary AI - Low ... #ACTH #Stimulation ... #Test #Endocrinology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
High/Normal Radioiodine ... Goiter - TSH/HCG ... Trophoblastic Neoplasm Low ... #endocrinology ... #causes
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... EABV (e.g., CHF ... • NSAlDs #Hyperkalemia ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Transcellular shift ... Liddle's syndrome #Hypokalemia ... Differential #Diagnosis #Algorithm
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Check fresh gas flow ... Consider known drug causes ... • Surgical stimulation ... Also consider: high ... myocardial infarction, hyperkalaemia