117 results
Pharmacology of diuretics

Acetazolamide, Loop diuretics, Thiazide‐like diuretics, MRA, Amiloride

Site of Action, Maximum Dose, Half-Life, Onset, Bioavailability,
Acetazolamide, Loop ... HalfLife #Dosing #Loop ... Thiazide #CHF #Cardiology
Flowchart to diuretic use in acute heart failure.

(A) Congestion with volume overload. 

(B) Treatment algorithm after
(B) Treatment algorithm ... Total loop diuretic ... maximal dose for IV loop ... following a single loop ... #HeartFailure #Cardiology
Loop diuretic PO --> IV conversions 

Furosemide 40 mg PO = Furosemide 20 mg IV =
Loop diuretic PO ... #Pharmacology #Cardiology ... #Loop #Diuretics
Loop diuretic conversion - Equivalent Doses
Furosemide (Lasix) 40 mg PO = Furosemide 20 mg IV =
Loop diuretic conversion ... #Pharmacology #Cardiology ... #Loop #Diuretic
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... Magnesium #Low #Causes ... Differential #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm ... #causes #potassium
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Remote Diuretics - Loop ... Recent Diuretics - Loop ... metabolic #alkalosis #algorithm
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... • Diuretics (loop ... Differential #Diagnosis #Algorithm ... #Causes
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Differential Diagnosis Algorithm ... • Metabolic Causes ... Propranolol, Levodopa, Loop ... Differential #Diagnosis #Algorithm ... #Causes
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
24-48 hours • Loop ... • Implantable Loop ... Monitors #heart #cardiology