ROSH General surgery Flashcards
- African-American woman
- Labs will show hypercalcemia and elevated serum ACE
- CXR will show bilateral hilar adenopathy
- Biopsy will show noncaseating granulomas
Sarcoidosis
- Patient will be older, usually male
- With a history of HTN, Marfan syndrome
- Complaining of sudden “ripping” or “tearing” CP radiating to back
Aortic Dissection
PE will show:
asymmetric pulses/BP
Aortic Dissection
CXR will show:
widened mediastinum
Aortic Dissection
Aortic Dissection
treatment:
- reduce BP/HR
- surgery (depending on dissection type)
complaining of:
- headaches
- diaphoresis
- tremors
- vision changes
PE will show:
- hypertension
Pheochromocytoma
Diagnosis is made by:
- Assay of urinary catecholamines and metanephrines
- plasma metanephrine levels
Pheochromocytoma
MCC by:
catecholamine-secreting tumor located in the adrenal glands
Pheochromocytoma
Pheochromocytoma
Treatment:
- Treatment is surgery
- α-blocker (ie phentolamine, phenoxybenzamine) prior to β-blockade to prevent unopposed alpha agonism
PE will show:
- Pitting Edema
Labs will show:
- Proteinuria > 3.5 g/24 hr
- Hyperlipidemia
- Hypercoagulability (renal vein thrombosis)
- Fatty casts
Nephrotic Syndrome
Normal ABG values
pH: 7.35 – 7.45
PaCO2: 35 – 45
HCO3: 22 – 26
pH: < 7.35
PaCO2: > 45
HCO3: Normal
Respiratory Acidosis
pH: > 7.45
PaCO2: < 35
HCO3: Normal
Respiratory Alkalosis
pH: < 7.35
PaCO2: Normal
HCO3: < 22
Metabolic Acidosis
pH: > 7.45
PaCO2: Normal
HCO3: > 26
Metabolic Alkalosis
- generalized weakness
- fatigue
- facial swelling
- constipation
- cold intolerance
- weight gain
Hypothyroidism
PE will show:
- Periorbital Edema
- Dry Skin
- Coarse Brittle Hair
Hypothyroidism
Labs will show:
- high TSH
- low free T4
- antithyroid peroxidase
- antithyroglobulin autoantibodies
Hypothyroidism
Most commonly caused by Hashimoto’s thyroiditis
Hypothyroidism
Hypothyroidism
treatment:
Treatment is levothyroxine
- History of prior abdominal/pelvic surgery
- Complaining of bilious vomiting
- PE will show high pitched bowel sounds
Small Bowel Obstruction
X-ray will show:
- dilated bowel
- air fluid levels
- Stack of Coins or String of Pearls Sign
Small Bowel Obstruction
Small Bowel Obstruction
treatment:
- NGT
- surgery
Patient will be complaining of:
- chronic nonbloody diarrhea
- crampy abdominal pain
- weight loss
Crohn Disease
PE will show:
- aphthous ulcers
- anal fissures
- perirectal abscesses
- anorectal fistulas
Crohn Disease
Labs will show:
- ASCA positive
- p-ANCA negative
Crohn Disease
Crohn Disease Diagnosis is made by
colonoscopy
Colonoscopy will show:
- skip lesions
- cobblestone mucosa
- transmural inflammation
Crohn Disease
- Patient will be 2–8 weeks of age
- Complaining of nonbilious projectile vomiting after feeding and early satiety
Pyloric Stenosis
PE will show:
- RUQ olive-like mass (hypertrophied pylorus)
Pyloric Stenosis
- Labs will show hypochloremic hypokalemic metabolic alkalosis
- Diagnosis is made by ultrasound or UGI series (string sign)
Pyloric Stenosis
Pyloric Stenosis
Treatment:
surgery
- Chest pain/pressure on exertion/stress that is relieved by rest
- Consider non-cardiac causes
Angina
Angina treatment:
- lifestyle modifications
- beta blockers
- calcium channel blockers
- nitrates
Patient with a history of smoking, long-distance travel, surgery, oral contraceptives use
Deep Vein Thrombosis (DVT)
- Complaining of unilateral leg edema, leg pain, tenderness, and warmth
- Physical exam may show a positive Homans sign
Deep Vein Thrombosis (DVT)
Deep Vein Thrombosis (DVT)
diagnosis:
ultrasound; Gold standard is venography
Most commonly caused by stasis, hypercoagulable state, trauma (Virchow triad)
Deep Vein Thrombosis (DVT)
Deep Vein Thrombosis (DVT)
Treatment is
anticoagulation
Patient will be an overweight (Fat),Fertile,Female in her Forties (4Fs)
Cholecystitis
Complaining of:
- colicky
- steadily increasing RUQ or epigastric pain after eating fatty foods
Cholecystitis
PE will show Murphy sign, Boas sign (hyperaesthesia (increased or altered sensitivity) below the right scapula)
Cholecystitis
Cholecystitis
diagnosis:
- Initial - US
- Gold standard - HIDA
Cholecystitis Most commonly caused by
obstruction by a gallstone
Cholecystitis
Treatment
cholecystectomy
- Patient will be complaining of pain, redness, swelling
- PE will show tenderness, erythema with poorly demarcated borders, lymphedema
- Most commonly caused by group A Streptococcus, Streptococcus pyogenes, or Staph aureus
Cellulitis
Patient will be complaining of:
- weakness
- dizziness
- fatigue
PE will show:
- pallor
- tachycardia
- atrophic glossitis or koilonychia (spoon nails)
Iron Deficiency Anemia
Labs will show:
- microcytic
- hypochromic red blood cells
- Decreased serum iron level
- an increase in the total iron binding capacity (TIBC)
- decreased serum ferritin levels
Iron Deficiency Anemia
Patient will be complaining of:
- abrupt onset of “worst headache of their life” or
- “thunderclap” headache
Subarachnoid Hemorrhage
Subarachnoid Hemorrhage
Diagnosis:
- Diagnosis is made by noncontrast CT scan. Blood will appear white in color on the CT
- If CT negative, and suspicion high, lumbar puncture
Subarachnoid Hemorrhage Most commonly caused by a________
ruptured aneurysm
Most common cause: GERD
Esophageal Stricture
- Progressive dysphagia
- Barium swallow (initial), endoscopy
- Surgery, high-dose PPIs
Esophageal Stricture
- Patient will be complaining of headaches, diaphoresis, tremors, and vision changes
- PE will show hypertension
Pheochromocytoma
- Diagnosis is made by assay of urinary catecholamines and metanephrines, and plasma metanephrine levels
- Most commonly caused by catecholamine-secreting tumor located in the adrenal glands
Pheochromocytoma
Pheochromocytoma
treatment:
- surgery
- α-blocker (ie phentolamine, phenoxybenzamine) prior to β-blockade to prevent unopposed alpha agonism
Patient will be complaining of epigastric pain radiating to the back, nausea, and vomiting
Acute Pancreatitis
- PE will show flank ecchymosis (Grey Turner sign), umbilical ecchymosis (Cullen sign)
- Labs will show elevated lipase (best) and amylase
Acute Pancreatitis
Acute Pancreatitis
Etiology_:_
Most commonly caused by gallstones > alcohol
PE will show ↓ breath sounds + dull percussion + ↓ tactile fremitus
Pleural Effusion
CXR will show blunting of the costophrenic angle
Pleural Effusion
- Patient will be a young, tall, thin, man
- PE will show decreased breath sounds, decreased fremitus, hyperresonance to percussion
Spontaneous Pneumothorax
Spontaneous Pneumothorax
> 20%
chest tube thoracostomy
CXR will show the absence of lung markings along lung periphery
Spontaneous Pneumothorax
- weakness, dizziness, and fatigue
- PE will show pallor, tachycardia, atrophic glossitis or koilonychia (spoon nails)
Iron Deficiency Anemia
- Labs will show microcytic, hypochromic red blood cells. Decreased serum iron level, an increase in the total iron binding capacity (TIBC), and decreased serum ferritin levels
Iron Deficiency Anemia
- obese woman 40 - 50-years-old
- Complaining of slowly resolving right upper quadrant pain that begins suddenly after eating a fatty or large meal
Cholelithiasis/Choledocholithiasis
Post-procedure Nausea/Vomiting Risk Factors
- Expected use of post procedure opioids
- Female Gender
- Non-smoker
- Patient age
- Previous history of post-procedure nausea/vomiting
- Previous history of motion sickness
- Type of anesthesia
- Type and duration of surgery
- history of smoking
- Complaining of abdominal/epigastric pain, painless jaundice, depression, and weight loss
- PE will show palpable nontender gallbladder (Courvoisier sign), migratory thrombophlebitis (Trousseaus syndrome)
Pancreatic Cancer
Labs will show CA 19-9 serum marker
Pancreatic Cancer
Patient will be complaining of flank pain radiating to groin
Nephrolithiasis
PE will show a patient that won’t lay still and hematuria
Nephrolithiasis
Nephrolithiasis Most commonly caused by________
calcium oxalate
Nephrolithiasis Most common location is the
ureterovesiclular junction (UVJ)