11 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... restriction alone in SIADH ... , Renal Sodium loss ... #differential #
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... Pulmonary Diseases ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... • Reduced GFR, AKI ... Hypo-osmolar urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... • Reduced GFR, AKI ... Hypo-osmolar urine
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... secretion (SIADH ... hemorrhage) - Pulmonary ... Diagnosis #Table #Causes ... #Sodium
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
PCP DFA sputum, LDH ... Cryptococcal Ag, Urine ... #Infections #HIVAIDS ... #workup #diagnosis ... #evaluation #differential
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... helps to differentiate ... Measured urine sodium ... #hyponatremia #ADH ... EBV #potomania #SIADH
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... osmolarity If cause ... Anti-ds-DNA, C3/C4 ... fragmentocytes, LDH ... #Workup #Algorithm
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... , ADH (appropriately ... 3 questions to work ... Measure urine osmolality ... management #nephrology #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
with suppressed ADH ... diabetes insipidus Differential ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... , Urine Sodium