14 results
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... to moderate); hypokalemia ... Hypomagnesemia; hypokalemia ... disturbances (including hypokalemia ... Potassium #Binding #Hyperkalemia
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... Hyperreflexia: • Hypocalcemia ... differential #diagnosis #table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization causes ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs ... Dysphagia, Anorexia, nausea ... Miscellaneous: - Hypokalemia ... , Hypocalcemia, ... Hypomagnesemia #magnesium
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Medications (e.g ... cisplatin) - Chronic hypercalcemia ... - Chronic hypokalemia ... Differential #Diagnosis #Table ... #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... only if no clear cause ... emcrit.org/ibcc/hyperkalemia ... management of hyperkalemia ... #Hyperkalemia
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... hypertension and signs ... disorders including hypokalemia ... renal bruit or signs ... Hyperthyroidism, Hypercalcemia
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Management of Hypokalemia ... Hypokalemia is ... search for warning signs ... Most cases of hypokalemia-induced ... important because magnesium
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Hypomagnesemia • Hypokalemia ... • Hypocalcemia ... TdP First line: magnesium ... load: 25-50 mg/kg ... 1b (lidocaine)- case