15 results
The Cell Cycle
The cell cycle is the series of tightly regulated steps that controls cell growth
factor E2F (in the case ... factor (in the case ... Did you notice how ... proteins) that cause ... #cell #cycle #p53
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Differential Diagnosis Algorithm ... for more than 3 cycles ... Differential #Diagnosis #Algorithm ... #Causes #OBGyn
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Cirrhosis • UNa ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Stimulation of Na ... #causes #potassium ... #low #pathophysiology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Differential Diagnosis Algorithm ... Syndrome Tumor Low ... Hirsutism - Normal Cycles ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Hirsutism - Differential Diagnosis Algorithm
RAPID ONSET
Medications
 • Steroids
 • Danazol
 • Progestin Containing Contraceptives
Increased Serum Testosterone
Differential Diagnosis Algorithm ... Adrenal Neoplasm SLOW ... Regular Menstrual Cycles ... Irregular Menstrual Cycles ... endocrinology #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 ... Urine Na+K / serum ... can be high or low ... Primary polydipsia), Low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Genetics defects in Na-KATPase ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... wasting from other causes ... suggests extra-renal causes ... consumption • Low ... RTA, Distal RTA, DKA
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Differential Diagnosis Algorithm ... for more than 3 cycles ... FSH, Low estrogen ... #Causes #OBGyn