Differential Diagnosis Flashcards

1
Q

Back Pain DDx

A

Red Flag DDx
- Malignancy/ Mets
- Infection - Septic Arthritis, Osteomyelitis
- Cauda Equina Sx - Saddle Anethesia, Incontinence
- Multiple Myeloma

Spine
- Mechanical Back Pain
- Lumbar Radiculopathy
- Spinal Cana Stenosis
- Fractures
- Sacroilitis

Arthritis
- Osteoarthritis
- Rheumatoid Arthritis
- Psoriatic Arthritis
- Reactive Arthritis

Referred Pain
- KUB - Nephrolithiasis, Pyelonephritis, and Prostatitis
- GI - Cholecystitis, Pancreatitis
- Pelvic Organs - Endometriosis, Menopause
- Retroperitoneal Hemorrhage**

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2
Q

Pathological Fracture DDx

A

Malignancy - LGBT MPK
- Lung CA* and Lymphoma
- Gastric CA
- Breast CA* and Bone CA
- Thyroid CA
- Myeloma, Melanoma
- Prostate
, Pelvic
- Kidney
Menopause

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3
Q

Neck Pain DDx

A

Redflags
- Cancer
- Infection
- Cervical Myelopathy
- Multiple Myeloma

Spine
- Mechanical Non-specific Neck Pain
- Cervical Radiculopathy
- Vertebral Fracture

Arthritis
- Osteoarthritis/ Cervical Spondylosis
- Rheumatoid Arthritis
- Psoriatic Arthritis
- Ankylosing Spondylisis
- Reactive Arthritis

Referred Pain
- Head - Meningitis, Tension, SAH
- Shoulder- PMR, Rotator cuff problems
- CVS - Angina, IHD

DDx add If with Hx of CA treatment
- Radiation Induced Neuropathy
- Surgical Trauma or Chemotherapy Neuropathy
- Lymphedema

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4
Q

Elbow Pain DDx

A

Red Flag DDx
- Malignancies
- Infection - SA, OM, Cellulitis
- Pan Coast Tumor

Soft Tissue/ Elbow
- Medial and Lateral Epicondylitis
- Olecranon Bursitis
- Biceps Tendinitis
- Osteochondritis

Arthritis/ Joint
- OA, RA, Gout, PA, Reactive A

Referred Pain
- Cervical Radiculopathy
- CVS - IHD
- Pancoast Tumor

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5
Q

Hand Pain DDx

A

Red flag- Malignancy, Infection

Neurologic - Cervical Radiculopathy, Carpal Tunnel, Cubital Tunnel Sx

Arthritis - OA, RA, Gout, PA, Reactive Arthritis & IBD

Other DDx - De Quervain Tenosynovitis, Hemochromatosis

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6
Q

Hip Pain DDx

A

Red flags
- Malignancy
- Infection - OM & SA

Soft Tissue and Neuro
- Greater Trochanteric Pain Syndrome
- Lumbar Radiculopathy
- Polymyalgia Rheumatica

Arthritis/ Joint
- OA, RA, PA, Gout, Reactive Arthritis & IBD
- Fracture - Avascular Necrosis, Adductor Tendonitis, Sacroiliitis

Referred
Abdomen/ KUB - Hernia, Renal Colic/Ureteric Colic, Acute Abdomen
CVS - Arterial Occlusion
Spine

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7
Q

Groin DDx (Hip DDx + GU and Skin)

A

Hip DDx
- Arthritis - OA, RA, PA, Reactive Arthritis, Gout
- Fracture, Avascular Necrosis
-Soft Tissue/Neuro - Greater Trochanteric Pain Sx, PMR, Lumbar Radiculopathy

Red Flags - Malignancy, Infection

Abdomen - Acute Abdomen, Hernia, Pelvic

KUB - Ureteric Colic, UTI

GU - Epidydimoorchitis, Herpes

Lymphadenitis - Cellulitis

Skin - Boil, Shingles

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8
Q

Hip Trauma DDx

A

Fracture
- Pelvic Fracture, Ishial Bone
- Acetabular Fx
- Femoral Neck Fracture
- Intertrochanteric Fracture
- Femoral Shaft Fracture
- Sacral Fracture

Hip Dislocation
Acetabular Labrum Tear
Soft Tissue Injuries - Hamstring Tear, Hip Sprain

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9
Q

Knee Trauma DDx (Acute)

A

Meniscal Tear
Ant/Post Collateral Ligament Tear
Patellar Dislocation
Patellar Tendon Rupture
Patellar Tendon Sprain
Fx - Tibia or Femur
Ruptured Backer Cyst
Muscle Tear - Gastrocnemius, Quadriceps

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10
Q

Chronic Knee DDx

A

Red Flags - Malignancy, Infection

Soft Tissues
- Patellar Tendinitis
- Bursitis
- Chondromalacia Patella
- Ruptured Backer Cyst

Arthritis
- OA, RA, PA, Gout, Reac A & IBD

Neurovascular
- Vasc - PAD, DVT
- Neuro - Lumbar Radiculopathy

Referred Pain
- Hip
- Rheumatic Fever

Traumatic Injury - Meniscal, ACL, Collateral Ligament

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11
Q

Foot Pain DDx

A

Red Flags - Malignancy, Infection

Soft Tissue
- Achilles Tendinitis
- Bursitis
- Tender Heel Pad
- Plantar Fasciitis
- Tibial Tendinitis
- Peroneal Tendinitis

Arthritis - OA, RA, Gout, PA, React A & IBD

Referred Pain and Others
- Neuro
– Lumbar Radiculopathy
– Tarsal Tunnel Sx
– Sensory NP
- Vascular
– PAD
– DVT
- Trauma and Ligament Tears

Front Foot
- Morton Neuroma
- Bunion
- Nail Problems
- Callus, Corn

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12
Q

Burning Pain DDx

A

Neuropathy
- Sensory Neuropathy
– Diabetes SN
– Alcoholic SN
– Vit B12 SN
– Thyroid
– CLD, Uremia
- Lumbar Radiculopathy
- Tarsal Tunnel Syndrome

Vascular Dx
- PAD

Restless Leg Syndrome
Psychogenic

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13
Q

Leg Pain DDx

A

Red Flags - Malignancy, Infection

Neuro Vascular
- Lumbar Radiculopathy
- Tarsal Tunnel Sx
- Spinal Canal Stenosis
- PAD
- DVT
- Venous Insufficiency

Arthritis
- OA, RA, Gout, PA, React A

Soft Tissue
- Tendonitis, Bursitis,
- PMR

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14
Q

Leg Pain s/p Surgery (Embolectomy) DDx

A

Compartment Syndrome
Surgical Complications
Inadequate Pain Relief
Recurrence of Clot
DVT
Infections
Post Thrombotic Syndrome

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15
Q

Dysuria DDx

A

Urologic
- UTI - Cystitis, Pyelonephritis
- STI - Urethritis & Epidydimoorchitis

KUB Condition
- Prostatitis
- Ureteric Colic

Skin Conditions
- Skin CA
- Herpes
- Balanitis (Dermatitis)

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16
Q

Anogenital Rash DDx

A

STI
- Herpes, Syphilis
- Chancroid
- Lymphogranuloma Verenum
- Donovanosis
- Urethritis, Epidydimoorchitis

Skin CA
Dermatitis/ Balanitis
Fixed Drug eruptions
Tinea
Warts
Shingles

17
Q

Hematuria DDx

A

Infection (PUP-C) - Prostatitis, Urethritis, Pyelonephritis, Cystitis
KUB - Cancers & Calculi
Kidney - Glomerulonephritis (IgA, PSGN, HUS, HSP), PKCD
Prostate - BPH
Others - Exercise, Beetroot
Bleeding d/o and Bleeding Meds

18
Q

Erectile Dysfunction Cause

A

Chronic Conditions – DM2, HTN, High Fats
CVS RF – Smoking, Alcohol, Drugs, Medication, Overweight, OSA
Hormonal – Testosterone Deficiency & Hypothyroid, Hemochormatosis
Penile and Prostate – Peyronie’s Disease, BPH, CA
Psychogenic – Depression, Anxiety,

19
Q

Groin Swelling DDx

A

Hernia
Lymphadenitis (Leg and Scrotum) - STIs, Herpes, Cellulitis
LAD - Leukemia and Lymphoma, SCCA or Skin SCA
Skin - Boil, Furuncles, Abscess
Hip - Septic Arthritis, OA, RA, Trauma

20
Q

Scrotal Swelling DDx

A

Hydrocoele - Idiopathic, STI, CA, Trauma (Delayed)
Hematocoele - Trauma (Acute)
Varicocele
Epididymo Orchitis - STIs
Epididymal Cyst
Testicular CA
Inguinal Hernia
Spermatocoele

21
Q

Wide Spread Aches DDx

A

Red flags – CA, Infections
Immune – Fibromyalgia, PMR, SLE, MS
Arthritis – OA, RA, Gout, PA, React A. & IBD, AS
Others - Somatic Symptom Disorder, Statins, Hypothyroid, Hyperparathyroidism