Results 61 to 70 of about 421,916 (207)

Hamman's crunch—A pathognomonic sign of pneumomediastinum

Equine Veterinary Education, Volume 38, Issue 9, Page e571-e576, September 2026.
Summary Pneumomediastinum, particularly spontaneous pneumomediastinum, is uncommon and presents a diagnostic challenge. In human medicine, auscultation of Hamman's crunch, a crepitant, crunching noise, audible over the cardiac region in synchrony with the heartbeat, is considered pathognomonic for pneumomediastinum.
S. McCullagh, C. R. Daniel, J. A. Keen, N. J. Parkinson, B. C. McGorum   +4 more
wiley   +1 more source

Extensive Multicompartmental Air Dissection With Pneumoscrotum and Pneumorrhachis After Perineal Compressed‐Air Injury Without Demonstrable Persistent Full‐Thickness Rectal Perforation: A Case Report

Clinical Case Reports, Volume 14, Issue 8, August 2026.
ABSTRACT Anorectal barotrauma from compressed air is a rare but potentially life‐threatening injury, and most published cases involve frank colorectal perforation, whereas extensive extraluminal air dissemination without a demonstrable full‐thickness defect is poorly characterized. We report a previously healthy 21‐year‐old man who presented with acute
Van Trung Hoang, Vuong Hoang Trung Le, Vichit Chansomphou, The Huan Hoang   +3 more
wiley   +1 more source

A clinical review of spontaneous pneumomediastinum. [PDF]

Primary spontaneous pneumomediastinum is a rare, often benign and self-limited condition defined by air within the mediastinum. However, correctly distinguishing primary spontaneous pneumomediastinum from secondary causes, especially esophageal ...
Susai, Cynthia, Banks, Kian, Alcasid, Nathan, Velotta, Jeffrey   +3 more
core   +1 more source

A Case of Spontaneous Pneumomediastinum in Covid-19 Pneumonia

Clinical Medicine Insights: Circulatory, Respiratory and Pulmonary Medicine, 2022
Spontaneous pneumomediastinum (SPM) is defined as free air in the mediastinum thought to be due to non-traumatic rupture of marginal alveoli without evidence of underlying lung disease.
Sarah Jayne Sutton, Graey Wolfley, Sierra Canapp, Francis Essien   +3 more
doaj   +1 more source

Sudden Respiratory Impairment due to Simultaneous Airway Obstruction and Tension Pneumothorax in a Patient Who Underwent Tracheostomy

Clinical Case Reports, Volume 14, Issue 8, August 2026.
ABSTRACT An 86‐year‐old woman with a tracheostomy developed airway obstruction caused by viscid sputum. Forceful manual ventilation through her obstructed airway precipitated tension pneumothorax, pneumomediastinum, pneumopericardium, pneumoperitoneum, and pneumoretroperitoneum.
Yuko Ono, Kazuaki Shinohara, Nobuto Nakanishi, Kazushi Takayama, Yutaka Kondo   +4 more
wiley   +1 more source

Spontaneous Pneumomediastinum Following Electronic Cigarette Use

, 2018
Spontaneous pneumomediastinum (SPM) is an uncommon condition typically occurring in young males presenting with pleuritic pain, dyspnea and subcutaneous emphysema.
Fabio Nicola Fatone, Loizzi, Domenico, Fatone, Fabio Nicola, Nicoletta Pia Ardò, Marasco, Rita Daniela, Ardò, Nicoletta Pia, Rita Daniela Marasco, Francesco Sollitto, Domenico Loizzi, Sollitto, Francesco   +9 more
core   +1 more source

Acute pneumopericardium following abdominal surgery in a young dog with previously undiagnosed congenital peritoneopericardial diaphragmatic hernia

Veterinary Record Case Reports, Volume 14, Issue 3, August 2026.
Abstract A 5‐month‐old, entire, male labradoodle presented with acute respiratory distress following surgical repair of a congenital ventral abdominal wall defect performed earlier the same day. On admission, the dog was lethargic, tachypnoeic and tachycardic with normal peripheral pulses and muffled heart sounds.
Sarah Miliaux, Heidi K. Saarenkari, Joris H. Robben   +2 more
wiley   +1 more source

Clinical Profiles and Therapeutic Interventions in Occult Paraquat Poisoning: A Comparative Report of Two Cases

Clinical Case Reports, Volume 14, Issue 6, June 2026.
ABSTRACT Delayed diagnosis invariably worsens outcomes in occult paraquat poisoning regardless of exposure route. Implement early urinary screening for suspected cases. Tailor antioxidant and anti‐fibrotic timing to toxicokinetic patterns to mitigate irreversible pulmonary damage.
Minhong Zhao, Shuai Zhou, Ying Zhang, Eryan Yuan, Min Peng, Ying Gao   +5 more
wiley   +1 more source

Spontaneous pneumomediastinum and subcutaneous emphysema in a non-intubated COVID-19 patient: a case report

The Pan African Medical Journal, 2021
The development of spontaneous pneumomediastinum and subcutaneous emphysema are few of the rare clinical manifestations observed in coronavirus disease-19 (COVID-19) patients which are yet to be fully understood.
Tahir Ahmed Jatoi, Anosh Aslam Khan, Osama Mohiuddin, Muhammad Saad Choudhry, Farah Yasmin, Sumeen Jalees   +5 more
doaj   +1 more source

Spontaneous pneumomediastinum. [PDF]

Emergency Medicine Journal, 1997
Spontaneous pneumomediastinum, or Hamman's syndrome, is a rare condition which may present with the symptoms of chest pain, dyspnoea, dysphagia, or neck pain. The signs of subcutaneous emphysema and Hamman's crunch (the presence of a crepitance sound that varies with the heartbeat on auscultation of the precordium) are usually present.
M G, Tytherleigh, A A, Connolly, J L, Handa   +2 more
openaire   +2 more sources