10 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Vasopressin-independent - Consider: Primary ... polydipsia, Low ... #diagnosis #differential
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
RPGN has three primary ... staining): • Low ... Complement: Post-strep ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... , hypotension, hyponatremia ... baseline ACTH - Primary ... insufficiency • Low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... water intake (Primary ... #differential # ... diagnosis #table
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Ureterosigmoidostomy Urinary ... #Diagnosis #Low ... #Potassium #Table ... #Classification
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... of hyponatremia ... the diagnosis of hyponatremia ... osmolality and urinary ... #Algorithm #Differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... (Low levels mixed ... #rheumatology #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... complements and ... Skin Disease Classification ... permanent alopecia Differential ... the context of primary
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... should use this algorithm ... risk of smallpox –low ... specimens from low ... See table below