11 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... suppression • Primary ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... suppression • Primary ... #Nephrology #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... transcellular shift) 3. ... all the time (urinary ... #Causes #workup ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Primary hyperaldo ... #Causes #Workup ... #Nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
EABV) - Consider: Hypovolemia ... Vasopressin-independent - Consider: Primary ... #diagnosis #differential ... #algorithm #causes ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... treat underlying cause ... Solute Intake - Primary ... Disease, Meds (Opiates
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI ... Workup Algorithm ... osmolarity If cause ... #Workup #Algorithm ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
common culprits: Hypovolemia ... circulating volume, Urinary ... (e.g NSAlDs) 3) ... CONSIDER INTRINSIC CAUSES ... KidneyInjury #simplified #workup
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Present (Uosm ≥100): Hypovolemia ... water intake (Primary ... #differential #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... Hypothyroidism, Primary ... Neurologic disorders ... #causes #Differential