13 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Normal Acid-Base: Low ... Carbenoxolone, SAME, Cushing ... @priti899 #Hypokalemia ... Algorithm #causes #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • Refeeding syndrome ... Thyrotoxicosis Medications ... MatthewHoMD #Hypokalemia ... #potassium
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... deficiency • Drugs: Calcium ... metastases, Hungry bone syndrome ... @aishaikh #Hypocalcemia ... #Workup #Differential
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... ↓ Aldosterone: Cushing ... #hypokalemia ... #urine #potassium
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... Independent (↑ PTH) • LOW ... - Calcium Sequestration ... Transfusions - Medications ... PTH Signaling #Hypocalcemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... abnormalities - Hypercalcemia ... - Hypokalemia ... Differential #Diagnosis #Low ... Classification #Causes #Workup
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pump - Digoxin works ... As a result, calcium ... - Hyperkalemia ( ... , in states of hypokalemia ... (or low potassium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Family history of hypokalemia ... • Unexplained hypokalemia ... alkalosis • Normal or low ... pressure Labs: • Hypokalemia ... pathophysiology #Hypokalemia
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... previously stable values ... disorders including hypokalemia ... hormonal excess or hypokalaemia ... Differential #Diagnosis #indications
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
priapism • Lab values ... WBC >100k, + lab signs ... sudden death • Lab values ... , Elevated Cr, Low ... hydration - Hyperkalemia