61 results
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
dysrhythmias Hypokalemia ... • Renal potassium ... metabolism • Hypocalcemia ... Hypomagnesemia #Signs ... #Symptoms #Diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Carbenoxolone, SAME, Cushing ... #Algorithm #causes ... #potassium #low
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
/signs: Episodes ... Labs/lmaging: Hypokalemia ... +/- low TSH with ... • Treatment: Potassium ... Periodic #Paralysis #diagnosis
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
vomiting • Fatigue Signs ... • Weakness • Low-grade ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... #signs #symptoms
Cushing Syndrome - Signs and Symptoms
Generalized: Weight gain, Slow healing of cuts, Increased risk of infections,
Cushing Syndrome ... - Signs and Symptoms ... : Weight gain, Slow ... Cushings #Syndrome #Signs ... #Symptoms #diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... previously stable values ... hypertension and signs ... renal bruit or signs
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs ... and Trousseau signs ... Dysphagia, Anorexia, nausea ... , Hypocalcemia, ... #Signs #diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... for specific symptoms ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... • CNS symptoms ... thin smear • Signs ... biopsy • Lab values ... #diagnosis
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Low O2 saturation ... supplemental O2 - Key diagnostic ... pulse oximeter causes ... a falsely low O2 ... Concentrations #Signs