Calgary Blackbook @CalgaryBlackBook
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Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Primary and Secondary ... No features of secondary ... hypertension ... Secondary Causes ... #Primary #Secondary
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... of Hypertension ... 130/80 for DM) Hypertensive ... 3+) Consider secondary ... #HTN #Secondary
Hypertension in Pregnancy - Differential Diagnosis Algorithm

Pre-existing Hypertension - Before Pregnancy OR <20 weeks gestational age
Hypertension in ... Pre-existing Hypertension ... Primary • Secondary ... • Pre-existing Hypertension ... - Gestational Hypertension
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
of Primary and Secondary ... by age 16 with secondary ... age 14 without secondary ... Central - Pituitary Secondary ... Causes #OBGyn #Gynecology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
decalvans - Secondary ... areata • Secondary ... Diffuse #Focal #HairLoss
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Cervical stenosis #Secondary ... Causes #OBGyn #Gynecology
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
by age 16 with secondary ... age 14 without secondary ... Causes #OBGyn #Gynecology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
decalvans - Secondary ... areata • Secondary ... syphilis #HairLoss