11 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... Baseline plasma ACTH Low ... • Low or normal
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal Insufficiency ... - Algorithm ... sensitivity) ... require Cosyntropin testing ... - Low ACTH is
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... unclear (often the case ... then go to stim testing ... primary AI - Low
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
type 4) - Salt wasting ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
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 ... Hypothyroidism, Adrenal Insufficiency ... Cerebral Salt Wasting ... differential #diagnosis #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Differential Diagnosis Algorithm ... Etiology - High FSH, Low ... : • Androgen insensitivity ... Functional (e.g. eating
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... Sensitivity (rule ... PPV Higher sensitivity ... probability of getting ... error Validity (“accuracy
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
only 5% of the resting ... are typically able ... treat the primary cause ... may not be the case ... #diagnosis #algorithm
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
only 5% of the resting ... are typically able ... treat the primary cause ... may not be the case ... clinica l#foamed #algorithm