48 results
Mechanical Bowel Obstruction and Ileus - Pathogenesis and Clinical Findings
Ileus: Functional bowel "blockage", no peristalsis
Mechanical Obstruction:
presents with acute abdominal ... acute or chronic abdominal ... bowel movements (partial ... hypotension • Abdominal ... percussion • Nausea
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... Site of Vascular Obstruction ... to cirrhosis, Abdominal ... Cirrhosis, Polycystic liver ... differential #diagnosis #causes
Chronic SVC Stenosis with Caudal Blood Flow of Dilated Abdominal Veins

60 y/o hx of seizures &
Flow of Dilated Abdominal ... have distended abdominal ... What is the cause ... - Portal HTN- ... not typical for portal
Causes of Ascites - Differential Diagnosis Algorithm
Portal Hypertension - Prehepatic:
 • Portal vein thrombosis
 • Splenic
Causes of Ascites ... disease • Acute liver ... • Sinusoidal obstruction ... Inferior vena cava obstruction ... Algorithm #Hepatology #causes
Dilated Abdominal Veins and Caput Medusae - Direction of Blood Flow

Vein Milking technique can be used
Dilated Abdominal ... determine the cause ... • Portal Hypertension ... anterior chest wall & abdominal ... #comparison #abdominal
Portal Venous Gas on Ultrasound
The most dramatic example I have seen of preterminal systemic intravascular and
Portal Venous Gas ... intravascular and portal ... VenousGas #Ultrasound #Liver ... #POCUS #Clinical ... #Abdominal
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
hepatic outflow obstruction ... Post-Hepatic: • Cardiac causes ... sarcoidosis) • Liver ... metastasis • Fatty liver ... Differential #Diagnosis #causes
Portal Hypertension Classification by site of vascular obstruction
1) Post-hepatic Post-sinusoidal: Budd-Chiari syndrome
2) Intrahepatic Post-sinusoidal: Veno-occlusive disease
3)
Portal Hypertension ... site of vascular obstruction ... Cirrhosis, Polycystic liver ... Pre-sinusoidal: Portal ... to cirrhosis, Abdominal
Portal Venous Gas on POCUS

Sick hypotensive patient. Obscure diagnosis in 2 mins. Notice the portal air
Portal Venous Gas ... on POCUS Sick ... ultrasound, reverb in liver ... Air #Clinical #POCUS ... #Abdominal #Ultrasound
Portal venous gas on hepatic ultrasound: A concerning finding in the critically ill patient that should
Portal venous gas ... ileus), intra-abdominal ... variety of other causes ... ultrasound #hepatology #liver ... #pocus #clinical