21 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Systemic and Primary ... Causes == Primary ... Urticaria == No Primary ... Mellitus Liver Function ... #Pruritus #primary
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... diagnostic of primary ... normal adrenal function ... suggests EITHER primary ... ACTH: - High = primary
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... Remote use of loop ... Vomiting/nasogastric suction ... #causes #urinary
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Differential Diagnosis Algorithm ... Vomiting, NGT suction ... Liddle syndrome #Primary ... Differential #Diagnosis #Algorithm
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
excretion: • Urinary ... preserved renal function ... ) - Loop diuretic
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Remote Diuretics - Loop ... Mineralocorticoid • Primary ... Recent Diuretics - Loop ... metabolic #alkalosis #algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... secreting tumor, Primary ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... Vomiting, NGT suction ... Differential #Diagnosis #Algorithm
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... Differential Diagnosis Algorithm ... Ureteropelvic junction ... Differential #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... high T4 +/- T3 → Primary ... Hyperthyroidism #algorithm