Chapter 1 Flashcards
24 yr old woman scheduled for an elective cholecystectomy. The best method of identifying a potential bleeder is which of the ff?
A complete history and PE
The most common indication for blood transfusion in surgical procedure?
Volume replacement
After undergoin transurethral resection of the prostate, a 65 yr old man experiences excessive bleeding attributed to fibrinolysis. It is appropriate to administer?
AMINOCAPROIC ACID
Most important management of DIC
Treatment of underlying cause
22 yr old man is brought to the ER in profound shock after a fall from the fourth floor of a building. After resuscitation, small bowel resection and hepatic segmentectomy are performed at laparotomy. He receives 15U of packed RBC,M4U of fresh frozen plasma and 8L of Ringers lactate. On closure diffuse oozing of blood is noted. What is the most likely dx?
PLATELET DEFICIENCY
Most important management of immediate transfusion reation?
Stop the transfusion: initiate diuresis, alkaline urine
64 yr woman undergoing radical hysterectomy under GA is transfused with 2 U of packed RBC. A hemolytic transfusion reaction during anesthesia will characterized by
BLEEDING AND HYPOTENSION
Shock that occurs in the setting of adequate intravascular volume?
Cardiogenic shock
30 yr old brought to ER following high speed car accident. He was the driver and the windshield of the car was broken. On exam, alert, awake, oriented and no respi distress. Extremities unable to move, warm and pink. Vital signs on admission HR 54bpm and BP 70/40mmHg
NEUROGENIC SHOCK
The preferred test in the diagnosis of cardiac tamponade?
ECHOCARDIOGRAPHY
Persistentlymelevated base deficit in a trauma patient is usually due to
ONGOING BLEEDING
First priority in the the treatment of trauma?
Ensuring an adequate airway
Treatment of choice for patients with Von Willebrand’s disease?
Intermediate purity Factor VIII/DDAVP
The most direct method to determine the presence of blood within the pericardium
Pericardial window
32 yr old female fails from the 10th floor of the building in suicide attempt. Px obvious head and extremity inuries. Primary survey reveals that the patient is totally apneic. By which method is the immediate need for a definitive aiway in the px
OROTRACHEAL INTUBATION
The most common indication for intubation
ALTERED MENTAL STATUS
Surgical aiway choice in patients with laryngeal fractures?
TRACHEOSTOMY
Is the most common method used to establish definitive airway
OROTRACHEAL INTUBATION
85 yr old ventilator-dependent male was endotracheallymintubatedn10 days ago. Unresponsive and not candidate for early intubation. ICU attending elects to perform tracheostomy at th bedside.mduring procedure copious dark blood is encountered.
ANTERIOR JUGULAR VEIN
Immediate management of px with tension pneumothorax
NEEDLE THORACOSTOMY (2nd ICS MCL)
Thoracostomy
4th or 5th ICS (MAL)
The higher or farther from the diaphragm
Most important indication for CTT
Absent breath sounds
Block Subclavian artery
Trapdoor thoracotomy
Lower limit of pleura/lung reflection at the MIDCLAVICULAR LINE
Lung 6th rib
Pleura 8th rib
Lower limit of pleur/lung reflection at the lateral border of erector spine
LUNG 10th rib
PLEURA 12th rib
Flail chest injuries compromises ventilation because of
UNDERLYING LUNG CONTUSION
Trauma px with hypotension have lost approximately how much of blood volume
30-40% (CLASS III SHOCK)
Saphenous vein cutdown
1cm SUPERIOR AND ANTERIOR MEDIAL MALLEOLUS
INTRAOSSEUS INFUSION (
The most reliable indicator of organ perfusion during resuscitation
Urine output
The most common cause of cardiogenic shock or cardiac failure in trauma patients
TENSION PNEUMOTHORAX
Priormto catheterization in stable patients at risk for urethral injury, one should perform
Urethrogram
Contraindications to urethral catheterization
Blood at the meatus
Scrotal or perineal hematoma
High riding prostate
Tx: SUPRAPUBIC CYSTOSTOMY
Gold standard in the diagnosis of presence of intra-abdominal injuries
DPL
Hemobilia is characterized by the triad of
RUQ pain, UGIB, jaundice (QUINCKE’s triad)
Tx: selective arteriogram + embolization
Most commonly injured part of the diaphragm
LEFT
Not protected; right covered by liver
Duodenal hematoma is best diagnosed by
BARIUM/CONTRAST STUDY (COILED SPRING SIGN)
The Pringle maneuver is used to control bleeding coming from
LIVER
60 yr old attacked with baseball bat and sustains multiple blows to the abdomen. He presents to the ER in shock and brought to OR. Laparotomy reveals massive hemoperitoneum and a stellate fracture of the right and left lobes of the liver
PACKING THE LIVER
Left sided medial visceral rotation
MATTOX MANEUVER
Right sided medial visceral rotation
CATELL MANEUVER
The most sensitive CXR findinf suggesting tear of the aorta
WIDENED MEDIASTINUM
Safest way to lower down ICP
VENTRICULOSTOMY
Hard signs of peripheral arterial injuries
Pulsatile hemorrhage
Absent pulses
Acute ischemia
Single most important factor predicting burn related mortality?
BURN SIZE
Recommended fluid resuscitation solution for burns
PLR
parkland’s formula
Management of patients with significant intra oral/pharyngeal burns
IMMEDIATE ET INTUBATION
antibiotics and steroid are contraindicated
How is smoke inhalation injury diagnosed
History and PE
The definitive diagnosis of burn wound sepsis can be made by
WOUND CULTURE
Predominant organism causing fatal burn wound infection
PSEUDOMONAS SP
Antidote for chemical burns caused by HYDROFLUORIC ACID
CALCIUM GLUCONATE
Malignancy most commonly developing from MARJOLIN’S ULCER
SQUAMOUS CELL CA
Impaired healing due to ZINC DEFICIENCY
ACRODERMATITIS ENTEROHEPATICA
Major cell responsible for wound contraction
MYOFIBROBLAST
The first cells to enter the wound site during wound repair
NEUTROPHILS
Extend from the xiphoid from the pubic
Midline
Obliquely
McBurneys incision extending to the flank of the px
Muscle splitting loin
Non absorbable
Nylon
Prolene
Stainless steel
Silk
Natural suture
Catgut
Silk
Chromic catgut
Synthetic
Nylon Vicryl Monocryl PDS Prolene
Face: nylon, prolene
Single strand of suture material
Monofilament
Nylon
Monocryl
Proleme
PDS
Fibers are braided or twisted together
Microfilament
Suture characteristics
Nonabsorbable suture has better tensile strength but can persist and become a focus of infection or a draining sinus tract
Suture removal
7-10 days
The layer of the GIT that imparts the greatest tensile strength and greatest suture holding capacity
SUBMUCOSA
Pressure ulcer stage when there is partial thickness skin loss
STAGE II
Non blanchable erythema of intact skin
Stage I
Earliest known genetic alteration in colorectal cancer
APC gene
Microsatellite instability is the hallmark of what hereditary cancer syndrome
LYNCH SYNDROME (HNPCC)
Virus implicated in th development of Burkitt’s Lymphoma
EBV
The most common arrythmia seen during laparoscopy procedures
Bradycardia
Tumor marker elevated in primary liver cancer and geem cell tumors
AFP
Most important factor determining the exten of DNA damage ff radiation
CELLULAR LEVEL OF OXYGEN
Most sensitive phase of cell cycle radiation
G2 and M phase
Taxanes blocks tumor growth at mitosis through
Formation of excess microtubule
A lethal and rapidlyrogressive soft tissue caused by microaerophilic streptococcus
Meleney’s synergicpstic
Right iliac fossa
Kidney transplant place
Most common complication after placing a central venous line
ARRHYTHMIA
Most dreaded complications of placing a swan gans
Pulmonary artery
Mainstay of treatment of severe soft tissue infections
Wide debridgement
Most common skin malignancy
Basal cell CA
Waxy, cream colored, rolled, pearly borders, pallisading arrangement
Basal cell CA
Tx of melanoma
Surgical
Standard staging procedure to evaluate tue regional nodes for patients with clinically node-negative melanoma
SLNB
Tumors arising from areas of previous radiation/lymphedema
ANGIOSARCOMA (Stewart-Treves Syndrome)
Kaposi sarcoma tx
Radiation
Epidemic peurperal mastitis transmitted via
Suckling neonate
Chronic inflammatory condition of nipple areola complex that originates from areolar glands
HIDRADENITIS SUPPURATIVA
Types of mastectomies
Radical mastectomy (Halsted/Meyer) MRM: Patey and Dyson, Scanlon,mMadden and Auchincloss
The level of axillary lymph nodes are based on structure
PECTORALIS MINOR
Most frequent site of metastasis for breat cancer
BONE
True anatomic precursor of invasive ductal CA
DCIS
Paget ds may be confused with type of melanoma
SUPERFICIAL SPREADING MELANOMA
Breast cancer type confirmed by the presence of intra-cytoplasmic mucin
LOBULAR CA
“Indian file configuration”
Breast cancer treatment during pregnancy
1st and 2nd trimester MRM
3rd trimester BCS