Internal Injuries from Florida Truck Accidents

What Internal Injuries Are

Internal injuries are damage to organs and blood vessels inside the chest, abdomen, or pelvis. They are produced in truck crashes by two mechanisms: blunt force, where the body strikes an interior surface or is loaded by a seatbelt, and deceleration, where organs continue moving after the body stops and tear at the points where they are anchored.

• Spleen and liver — the most commonly injured abdominal organs, both highly vascular and prone to bleeding
• Kidneys — injured by flank impact or deceleration
• Bowel and mesentery — perforation or tearing, which can lead to infection developing over days
• Lungs — contusion, collapse, or bleeding into the chest cavity
• Heart and aorta — contusion, or aortic injury from severe deceleration
• Pelvic organs and vessels — frequently alongside a pelvic fracture
• Diaphragm — rupture from abdominal compression

The seatbelt that saves a life also concentrates force across the abdomen and chest. Bruising along the belt line after a serious impact is a recognized warning sign and should always be examined.

Why Internal Injuries Are Missed

This is the injury category where declining evaluation at the scene carries the greatest risk. Several factors combine:

• Bleeding can be slow. A contained organ injury may bleed gradually for hours before blood pressure falls and symptoms become obvious.
• Adrenaline masks pain, and abdominal pain is easy to attribute to seatbelt bruising.
• Symptoms are non-specific — light-headedness, nausea, shoulder pain from diaphragm irritation, or simply feeling unwell.
• More visible injuries dominate attention, both the patient’s and the clinician’s.
• Bowel injury in particular may present days later as infection develops.

Warning signs that warrant immediate emergency care after any truck crash: abdominal pain or swelling, deep bruising, dizziness or fainting, unusual thirst, shortness of breath, blood in urine or stool, and pain in the shoulder without a shoulder injury.

That last one deserves explanation, because it is the sign people most often ignore. Blood or fluid irritating the diaphragm produces referred pain felt in the shoulder or the tip of the shoulder blade, with nothing wrong with the shoulder itself. Someone who walked away from a crash and develops unexplained shoulder pain over the following hours may be describing a bleeding spleen or liver rather than a strain, and it warrants emergency assessment rather than rest and observation at home.

Published By

Shiner Law Group, P.A.

Founded by David I. Shiner, Esq. · AV Preeminent® rated · Florida Bar member since 2002

Shiner Law Group was founded by David I. Shiner, Esq., a Nova Southeastern University law graduate, a member of The Florida Bar since 2002, and AV Preeminent® rated by Martindale-Hubbell. The firm represents injured people across Florida from offices in Boca Raton, West Palm Beach, Fort Lauderdale, Fort Pierce, Orlando, Wellington, and Belle Glade, and handles truck accident cases on contingency: free consultations, and no fee unless there is a recovery.

The firm works to keep this information current and consistent. Spotted something wrong? Email joseph@shinerlawgroup.com and we will fix it. About this site →

Florida Rules That Apply

The 14-day PIP rule interacts badly with delayed-onset injuries, and internal injuries are the clearest example. Under Fla. Stat. § 627.736, initial treatment must begin within 14 days of the crash to access the $10,000 benefit. An internal injury identified on day 16 by someone who felt fine and went home is a genuinely common and painful scenario.

Being evaluated promptly does two things at once: it identifies a potentially life-threatening condition, and it creates the contemporaneous record connecting any later diagnosis to the crash. Where an injury is identified later, the medical evidence linking it to the collision mechanism becomes central — which is why the crash type matters. See Truck Accident Types.

Other rules apply as elsewhere: the permanent injury threshold under Fla. Stat. § 627.737 for non-economic damages, comparative negligence under § 768.81 with its 50% bar, and the two-year limitations period for claims arising after March 24, 2023 (Fla. Stat. § 95.11(5)(a)).

There is one further practical point specific to this category. Because internal injuries are frequently identified during an emergency admission rather than through a later specialist referral, the medical record from the first 48 hours often contains the strongest causation evidence in the entire claim. Imaging performed on the day of the crash, operative notes, and the treating team’s own account of the mechanism are difficult for an insurer to characterize as unrelated to the collision. Requesting the complete hospital record, rather than the discharge summary alone, is worth doing early.

What to Do If You Suspect an Internal Injury

1. Accept evaluation at the scene, and go to an emergency department rather than waiting to see how you feel.
2. Get medical care immediately — Florida’s PIP statute (Fla. Stat. § 627.736) requires initial treatment within 14 days to access your $10,000 in benefits.
3. Report abdominal or chest pain explicitly, along with any seatbelt bruising.
4. Return immediately if symptoms develop — worsening pain, dizziness, fainting, or shortness of breath in the days after a crash are emergencies.
5. Photograph bruising as it develops, which is often over 24 to 72 hours.
6. Keep every discharge instruction and record, including any advice to return.
7. Do not give a recorded statement to the trucking company’s insurer before speaking with an attorney.

See What to Do After a Truck Accident for the full sequence.

Internal Injury FAQ